--- lib/gnome-scan-module-manager.c.orig	2010-02-20 15:13:02.000000000 +0100
+++ lib/gnome-scan-module-manager.c	2010-03-02 20:32:31.000000000 +0100
@@ -387,7 +387,7 @@
 						_inner_error_ = NULL;
 						{
 							if (g_error_matches (e, MODULE_ERROR, MODULE_ERROR_FAIL)) {
-								g_warning (e->message);
+								g_warning ("%s", e->message);
 							}
 							_g_error_free0 (e);
 						}