diff -Naur wmakerconf-2.12.orig/src/error.c wmakerconf-2.12/src/error.c
--- wmakerconf-2.12.orig/src/error.c	2004-12-05 02:44:37.000000000 +0100
+++ wmakerconf-2.12/src/error.c	2016-04-11 20:42:32.810590888 +0200
@@ -109,7 +109,7 @@
       GtkTextIter    iter;
       GtkTextBuffer *buffer;
       
-      g_log ("Wmakerconf", G_LOG_LEVEL_WARNING, message);
+      g_log ("Wmakerconf", G_LOG_LEVEL_WARNING, "%s", message);
       Free (text);
       buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (log_text));
       gtk_text_buffer_get_iter_at_offset (buffer, &iter, -1);