diff --git a/capplet/settings/mail-capplet-shell.c b/capplet/settings/mail-capplet-shell.c
index beb5206..33c921d 100644
--- a/capplet/settings/mail-capplet-shell.c
+++ b/capplet/settings/mail-capplet-shell.c
@@ -293,21 +293,18 @@ mail_capplet_shell_new (gint socket_id, gboolean just_druid, gboolean main_loop)
 	return GTK_WIDGET (shell);
 }
 
+#define LOCAL_BASE_URI "local:"
 #define PERSONAL_RELATIVE_URI "system"
 
 static void
-setup_abooks ()
+setup_abooks (void)
 {
-	gchar *base_dir, *uri;
 	GSList *groups;
 	ESourceGroup *group;
 	ESourceList *list = NULL;
 	ESourceGroup *on_this_computer = NULL;
 	ESource *personal_source = NULL;
 
-	base_dir = g_build_filename (e_get_user_data_dir (), "addressbook", "local", NULL);
-	uri = g_filename_to_uri (base_dir, NULL, NULL);
-
 	if (!e_book_get_addressbooks (&list, NULL)) {
 		g_warning ("Unable to get books\n");
 		return;
@@ -317,16 +314,25 @@ setup_abooks ()
 	if (groups) {
 		/* groups are already there, we need to search for things... */
 		GSList *g;
+		gchar *base_dir, *base_uri;
 
-		for (g = groups; g; g = g->next) {
+		base_dir = g_build_filename (e_get_user_data_dir (), "addressbook", "local", NULL);
+		base_uri = g_filename_to_uri (base_dir, NULL, NULL);
 
+		for (g = groups; g; g = g->next) {
 			group = E_SOURCE_GROUP (g->data);
 
-			if (!on_this_computer && !strcmp (uri, e_source_group_peek_base_uri (group))) {
+			if (strcmp (base_uri, e_source_group_peek_base_uri (group)) == 0)
+				e_source_group_set_base_uri (group, LOCAL_BASE_URI);
+
+			if (!on_this_computer && !strcmp (LOCAL_BASE_URI, e_source_group_peek_base_uri (group))) {
 				on_this_computer = g_object_ref (group);
 				break;
 			}
 		}
+
+		g_free (base_dir);
+		g_free (base_uri);
 	}
 
 	if (on_this_computer) {
@@ -349,7 +355,7 @@ setup_abooks ()
 	}
 	else {
 		/* create the local source group */
-		group = e_source_group_new (_("On This Computer"), uri);
+		group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
 		e_source_list_add_group (list, group, -1);
 
 		on_this_computer = group;
@@ -372,7 +378,5 @@ setup_abooks ()
 
 	e_source_list_sync (list, NULL);
 	g_object_unref (list);
-	g_free (uri);
-	g_free (base_dir);
 }
 
diff --git a/modules/addressbook/e-book-shell-migrate.c b/modules/addressbook/e-book-shell-migrate.c
index 7440564..7b91a04 100644
--- a/modules/addressbook/e-book-shell-migrate.c
+++ b/modules/addressbook/e-book-shell-migrate.c
@@ -66,6 +66,7 @@ typedef struct {
 	GtkWidget *progress;
 } MigrationContext;
 
+#define LOCAL_BASE_URI "local:"
 #define LDAP_BASE_URI "ldap://"
 #define PERSONAL_RELATIVE_URI "system"
 
@@ -77,27 +78,28 @@ create_groups (MigrationContext *context,
 {
 	GSList *groups;
 	ESourceGroup *group;
-	gchar *base_uri, *base_uri_proto;
 
 	*on_this_computer = NULL;
 	*on_ldap_servers = NULL;
 	*personal_source = NULL;
 
-	base_uri = g_build_filename (context->data_dir, "local", NULL);
-
-	base_uri_proto = g_filename_to_uri (base_uri, NULL, NULL);
-
 	groups = e_source_list_peek_groups (context->source_list);
 	if (groups) {
 		/* groups are already there, we need to search for things... */
 		GSList *g;
+		gchar *base_dir, *base_uri;
 
-		for (g = groups; g; g = g->next) {
+		base_dir = g_build_filename (context->data_dir, "local", NULL);
+		base_uri = g_filename_to_uri (base_dir, NULL, NULL);
 
+		for (g = groups; g; g = g->next) {
 			group = E_SOURCE_GROUP (g->data);
 
+			if (strcmp (base_uri, e_source_group_peek_base_uri (group)) == 0)
+				e_source_group_set_base_uri (group, LOCAL_BASE_URI);
+
 			if (!*on_this_computer &&
-					!strcmp (base_uri_proto,
+					!strcmp (LOCAL_BASE_URI,
 					e_source_group_peek_base_uri (group)))
 				*on_this_computer = g_object_ref (group);
 			else if (!*on_ldap_servers &&
@@ -105,6 +107,9 @@ create_groups (MigrationContext *context,
 					e_source_group_peek_base_uri (group)))
 				*on_ldap_servers = g_object_ref (group);
 		}
+
+		g_free (base_dir);
+		g_free (base_uri);
 	}
 
 	if (*on_this_computer) {
@@ -127,7 +132,7 @@ create_groups (MigrationContext *context,
 	}
 	else {
 		/* create the local source group */
-		group = e_source_group_new (_("On This Computer"), base_uri_proto);
+		group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
 		e_source_list_add_group (context->source_list, group, -1);
 
 		*on_this_computer = group;
@@ -150,9 +155,6 @@ create_groups (MigrationContext *context,
 
 		*on_ldap_servers = group;
 	}
-
-	g_free (base_uri_proto);
-	g_free (base_uri);
 }
 
 static MigrationContext *
diff --git a/modules/calendar/e-cal-shell-migrate.c b/modules/calendar/e-cal-shell-migrate.c
index d25228d..3ef6e55 100644
--- a/modules/calendar/e-cal-shell-migrate.c
+++ b/modules/calendar/e-cal-shell-migrate.c
@@ -43,6 +43,7 @@
 
 #include "e-cal-shell-backend.h"
 
+#define LOCAL_BASE_URI "local:"
 #define WEBCAL_BASE_URI "webcal://"
 #define CONTACTS_BASE_URI "contacts://"
 #define BAD_CONTACTS_BASE_URI "contact://"
@@ -80,8 +81,6 @@ create_calendar_sources (EShellBackend *shell_backend,
 	EShellSettings *shell_settings;
 	GSList *groups;
 	ESourceGroup *group;
-	gchar *base_uri, *base_uri_proto;
-	const gchar *base_dir;
 
 	*on_this_computer = NULL;
 	*on_the_web = NULL;
@@ -91,15 +90,14 @@ create_calendar_sources (EShellBackend *shell_backend,
 	shell = e_shell_backend_get_shell (shell_backend);
 	shell_settings = e_shell_get_shell_settings (shell);
 
-	base_dir = e_shell_backend_get_data_dir (shell_backend);
-	base_uri = g_build_filename (base_dir, "local", NULL);
-
-	base_uri_proto = g_filename_to_uri (base_uri, NULL, NULL);
-
 	groups = e_source_list_peek_groups (source_list);
 	if (groups) {
 		/* groups are already there, we need to search for things... */
 		GSList *g;
+		gchar *base_dir, *base_uri;
+
+		base_dir = g_build_filename (e_shell_backend_get_data_dir (shell_backend), "local", NULL);
+		base_uri = g_filename_to_uri (base_dir, NULL, NULL);
 
 		for (g = groups; g; g = g->next) {
 
@@ -109,9 +107,9 @@ create_calendar_sources (EShellBackend *shell_backend,
 				e_source_group_set_base_uri (group, CONTACTS_BASE_URI);
 
 			if (!strcmp (base_uri, e_source_group_peek_base_uri (group)))
-				e_source_group_set_base_uri (group, base_uri_proto);
+				e_source_group_set_base_uri (group, LOCAL_BASE_URI);
 
-			if (!*on_this_computer && !strcmp (base_uri_proto,
+			if (!*on_this_computer && !strcmp (LOCAL_BASE_URI,
 				e_source_group_peek_base_uri (group)))
 				*on_this_computer = g_object_ref (group);
 
@@ -123,6 +121,9 @@ create_calendar_sources (EShellBackend *shell_backend,
 				e_source_group_peek_base_uri (group)))
 				*contacts = g_object_ref (group);
 		}
+
+		g_free (base_dir);
+		g_free (base_uri);
 	}
 
 	if (*on_this_computer) {
@@ -144,7 +145,7 @@ create_calendar_sources (EShellBackend *shell_backend,
 		}
 	} else {
 		/* create the local source group */
-		group = e_source_group_new (_("On This Computer"), base_uri_proto);
+		group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
 		e_source_list_add_group (source_list, group, -1);
 
 		*on_this_computer = group;
@@ -199,9 +200,6 @@ create_calendar_sources (EShellBackend *shell_backend,
 
 		*contacts = group;
 	}
-
-	g_free (base_uri_proto);
-	g_free (base_uri);
 }
 
 gboolean
diff --git a/modules/calendar/e-memo-shell-migrate.c b/modules/calendar/e-memo-shell-migrate.c
index e4b5697..c64b8b0 100644
--- a/modules/calendar/e-memo-shell-migrate.c
+++ b/modules/calendar/e-memo-shell-migrate.c
@@ -35,6 +35,7 @@
 
 #include "e-memo-shell-backend.h"
 
+#define LOCAL_BASE_URI "local:"
 #define WEBCAL_BASE_URI "webcal://"
 #define PERSONAL_RELATIVE_URI "system"
 #define GROUPWISE_BASE_URI "groupwise://"
@@ -50,8 +51,6 @@ create_memo_sources (EShellBackend *shell_backend,
 	EShellSettings *shell_settings;
 	GSList *groups;
 	ESourceGroup *group;
-	gchar *base_uri, *base_uri_proto;
-	const gchar *base_dir;
 
 	*on_this_computer = NULL;
 	*on_the_web = NULL;
@@ -60,25 +59,29 @@ create_memo_sources (EShellBackend *shell_backend,
 	shell = e_shell_backend_get_shell (shell_backend);
 	shell_settings = e_shell_get_shell_settings (shell);
 
-	base_dir = e_shell_backend_get_data_dir (shell_backend);
-	base_uri = g_build_filename (base_dir, "local", NULL);
-
-	base_uri_proto = g_filename_to_uri (base_uri, NULL, NULL);
-
 	groups = e_source_list_peek_groups (source_list);
 	if (groups) {
 		/* groups are already there, we need to search for things... */
 		GSList *g;
+		gchar *base_dir, *base_uri;
 
-		for (g = groups; g; g = g->next) {
+		base_dir = g_build_filename (e_shell_backend_get_data_dir (shell_backend), "local", NULL);
+		base_uri = g_filename_to_uri (base_dir, NULL, NULL);
 
+		for (g = groups; g; g = g->next) {
 			group = E_SOURCE_GROUP (g->data);
 
-			if (!*on_this_computer && !strcmp (base_uri_proto, e_source_group_peek_base_uri (group)))
+			if (strcmp (base_uri, e_source_group_peek_base_uri (group)) == 0)
+				e_source_group_set_base_uri (group, LOCAL_BASE_URI);
+
+			if (!*on_this_computer && !strcmp (LOCAL_BASE_URI, e_source_group_peek_base_uri (group)))
 				*on_this_computer = g_object_ref (group);
 			else if (!*on_the_web && !strcmp (WEBCAL_BASE_URI, e_source_group_peek_base_uri (group)))
 				*on_the_web = g_object_ref (group);
 		}
+
+		g_free (base_dir);
+		g_free (base_uri);
 	}
 
 	if (*on_this_computer) {
@@ -100,7 +103,7 @@ create_memo_sources (EShellBackend *shell_backend,
 		}
 	} else {
 		/* create the local source group */
-		group = e_source_group_new (_("On This Computer"), base_uri_proto);
+		group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
 		e_source_list_add_group (source_list, group, -1);
 
 		*on_this_computer = group;
@@ -148,9 +151,6 @@ create_memo_sources (EShellBackend *shell_backend,
 
 		*on_the_web = group;
 	}
-
-	g_free (base_uri_proto);
-	g_free (base_uri);
 }
 
 static gboolean
diff --git a/modules/calendar/e-task-shell-migrate.c b/modules/calendar/e-task-shell-migrate.c
index fbfedb0..f57ac7e 100644
--- a/modules/calendar/e-task-shell-migrate.c
+++ b/modules/calendar/e-task-shell-migrate.c
@@ -43,6 +43,7 @@
 
 #include "e-task-shell-backend.h"
 
+#define LOCAL_BASE_URI "local:"
 #define WEBCAL_BASE_URI "webcal://"
 #define PERSONAL_RELATIVE_URI "system"
 
@@ -57,8 +58,6 @@ create_task_sources (EShellBackend *shell_backend,
 	EShellSettings *shell_settings;
 	GSList *groups;
 	ESourceGroup *group;
-	gchar *base_uri, *base_uri_proto;
-	const gchar *base_dir;
 
 	*on_this_computer = NULL;
 	*on_the_web = NULL;
@@ -67,27 +66,31 @@ create_task_sources (EShellBackend *shell_backend,
 	shell = e_shell_backend_get_shell (shell_backend);
 	shell_settings = e_shell_get_shell_settings (shell);
 
-	base_dir = e_shell_backend_get_data_dir (shell_backend);
-	base_uri = g_build_filename (base_dir, "local", NULL);
-
-	base_uri_proto = g_filename_to_uri (base_uri, NULL, NULL);
-
 	groups = e_source_list_peek_groups (source_list);
 	if (groups) {
 		/* groups are already there, we need to search for things... */
 		GSList *g;
+		gchar *base_dir, *base_uri;
 
-		for (g = groups; g; g = g->next) {
+		base_dir = g_build_filename (e_shell_backend_get_data_dir (shell_backend), "local", NULL);
+		base_uri = g_filename_to_uri (base_dir, NULL, NULL);
 
+		for (g = groups; g; g = g->next) {
 			group = E_SOURCE_GROUP (g->data);
 
-			if (!*on_this_computer && !strcmp (base_uri_proto,
+			if (strcmp (base_uri, e_source_group_peek_base_uri (group)) == 0)
+				e_source_group_set_base_uri (group, LOCAL_BASE_URI);
+
+			if (!*on_this_computer && !strcmp (LOCAL_BASE_URI,
 				e_source_group_peek_base_uri (group)))
 				*on_this_computer = g_object_ref (group);
 			else if (!*on_the_web && !strcmp (WEBCAL_BASE_URI,
 				e_source_group_peek_base_uri (group)))
 				*on_the_web = g_object_ref (group);
 		}
+
+		g_free (base_dir);
+		g_free (base_uri);
 	}
 
 	if (*on_this_computer) {
@@ -109,7 +112,7 @@ create_task_sources (EShellBackend *shell_backend,
 		}
 	} else {
 		/* create the local source group */
-		group = e_source_group_new (_("On This Computer"), base_uri_proto);
+		group = e_source_group_new (_("On This Computer"), LOCAL_BASE_URI);
 		e_source_list_add_group (source_list, group, -1);
 
 		*on_this_computer = group;
@@ -157,9 +160,6 @@ create_task_sources (EShellBackend *shell_backend,
 
 		*on_the_web = group;
 	}
-
-	g_free (base_uri_proto);
-	g_free (base_uri);
 }
 
 gboolean
