Index: extensions/extensions-manager-ui/extensions-manager-ui.c
===================================================================
--- extensions/extensions-manager-ui/extensions-manager-ui.c	(revisione 1641)
+++ extensions/extensions-manager-ui/extensions-manager-ui.c	(copia locale)
@@ -42,6 +42,9 @@
 #include <glib/gi18n-lib.h>
 #include <gtk/gtkversion.h>
 
+/* Icon for the window */
+#define EXTENSIONS_ICON "universal-addon"
+
 #define IGNORE_SELF /* Don't display *this* extension in the list */
 #define GROUP	"Epiphany Extension"
 
@@ -340,7 +343,7 @@ build_ui (ExtensionsManagerUI *dialog)
 	g_signal_connect (priv->window, "response",
 			  G_CALLBACK (extensions_manager_ui_response_cb), dialog);
 
-	gtk_window_set_icon_name (GTK_WINDOW (priv->window), GTK_STOCK_PREFERENCES);
+	gtk_window_set_icon_name (GTK_WINDOW (priv->window), EXTENSIONS_ICON);
 
 	treeview = GTK_TREE_VIEW (priv->treeview);
 	gtk_tree_view_set_rules_hint (treeview, TRUE);
Index: data/icons/Makefile.am
===================================================================
--- data/icons/Makefile.am	(revisione 1641)
+++ data/icons/Makefile.am	(copia locale)
@@ -6,6 +6,9 @@ private_icons = \
 	hicolor_status_24x24_feed-presence.png \
 	hicolor_status_32x32_feed-presence.png \
 	hicolor_status_scalable_feed-presence.svg \
+	hicolor_places_16x16_universal-addon.png \
+	hicolor_places_24x24_universal-addon.png \
+	hicolor_places_32x32_universal-addon.png \
 	$(NULL)
 
 noinst_DATA = \
