diff -Naur emifreq-applet-0.18/src/ef-utils.c emifreq-applet-0.18-fix-format-errors/src/ef-utils.c
--- emifreq-applet-0.18/src/ef-utils.c	2004-09-11 22:52:53.000000000 +0200
+++ emifreq-applet-0.18-fix-format-errors/src/ef-utils.c	2009-03-04 20:45:17.000000000 +0100
@@ -55,7 +55,7 @@
 	dialog = gtk_message_dialog_new_with_markup (NULL, 
 			GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
 			GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
-			msg);
+			"%s", msg);
 
 	gtk_dialog_run (GTK_DIALOG (dialog));