diff -p -up dates-0.4.7/src/dates_callbacks.c~ dates-0.4.7/src/dates_callbacks.c
--- dates-0.4.7/src/dates_callbacks.c~	2009-03-12 20:15:26.000000000 +0100
+++ dates-0.4.7/src/dates_callbacks.c	2009-03-16 13:02:41.000000000 +0100
@@ -363,7 +363,7 @@ dates_about_cb (GtkWidget *widget, Dates
 
 	if (!pixb) {
 		g_assert (error);
-		g_warning (error->message);
+		g_warning ("%s", error->message);
 		g_clear_error (&error);
 	}
 
diff -p -up dates-0.4.7/src/dates_gtk.c~ dates-0.4.7/src/dates_gtk.c
--- dates-0.4.7/src/dates_gtk.c~	2009-03-12 18:20:33.000000000 +0100
+++ dates-0.4.7/src/dates_gtk.c	2009-03-16 13:00:44.000000000 +0100
@@ -1119,7 +1119,7 @@ calendar_do_edit_dialog_response_cb (Gtk
 				GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 				GTK_MESSAGE_WARNING,
 				GTK_BUTTONS_NONE,
-				prompt);
+												"%s", prompt);
 
 		g_free (prompt);
 
diff -p -up dates-0.4.7/src/gconf-bridge.c~ dates-0.4.7/src/gconf-bridge.c
--- dates-0.4.7/src/gconf-bridge.c~	2009-03-12 18:20:33.000000000 +0100
+++ dates-0.4.7/src/gconf-bridge.c	2009-03-16 13:03:17.000000000 +0100
@@ -1220,7 +1220,7 @@ error_handler (GConfClient *client,
                 dlg = gtk_message_dialog_new (NULL, 0,
                                               GTK_MESSAGE_ERROR,
                                               GTK_BUTTONS_OK,
-                                              message);
+                                              "%s", message);
                 g_free (message);
 
                 gtk_message_dialog_format_secondary_text