diff --git a/gtk/gtkfilesystem.c b/gtk/gtkfilesystem.c
index bc6cbf5..1642345 100644
--- a/gtk/gtkfilesystem.c
+++ b/gtk/gtkfilesystem.c
@@ -706,7 +706,7 @@ _gtk_file_system_parse (GtkFileSystem     *file_system,
 	  g_set_error (error,
 		       GTK_FILE_CHOOSER_ERROR,
 		       GTK_FILE_CHOOSER_ERROR_INCOMPLETE_HOSTNAME,
-		       "Incomplete hostname");
+		       _("Incomplete hostname"));
 	  return FALSE;
 	}
     }
@@ -743,7 +743,7 @@ _gtk_file_system_parse (GtkFileSystem     *file_system,
 	  g_set_error (error,
 		       GTK_FILE_CHOOSER_ERROR,
 		       GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
-		       "Could not get parent file");
+		       _("Could not get parent file"));
 	  *folder = NULL;
 	  *file_part = NULL;
 	}
@@ -1096,7 +1096,7 @@ _gtk_file_system_insert_bookmark (GtkFileSystem  *file_system,
       g_set_error (error,
 		   GTK_FILE_CHOOSER_ERROR,
 		   GTK_FILE_CHOOSER_ERROR_ALREADY_EXISTS,
-		   "%s already exists in the bookmarks list",
+		   _("%s already exists in the bookmarks list"),
 		   uri);
 
       g_free (uri);
@@ -1159,7 +1159,7 @@ _gtk_file_system_remove_bookmark (GtkFileSystem  *file_system,
       g_set_error (error,
 		   GTK_FILE_CHOOSER_ERROR,
 		   GTK_FILE_CHOOSER_ERROR_NONEXISTENT,
-		   "%s does not exist in the bookmarks list",
+		   _("%s does not exist in the bookmarks list"),
 		   uri);
 
       g_free (uri);
