--- /dev/null
+--- seed-3.8.1/libseed/seed-types.c~ 2013-04-16 09:58:20.000000000 +0200
++++ seed-3.8.1/libseed/seed-types.c 2013-12-05 22:18:46.317881733 +0100
+@@ -1213,7 +1213,7 @@
+ {
+ char *error_message = g_strdup_printf ("Unable to make object from hash table indexed with values of type %s", g_type_tag_to_string (key_type_tag));
+ seed_make_exception (ctx, exception, "ArgumentError",
+- error_message);
++ "%s", error_message);
+ g_free (error_message);
+ return JSValueMakeNull (ctx);
+ }