diff --git a/qom/object.c b/qom/object.c
index ff8ede8a32..e5c0c2f53e 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1193,8 +1193,8 @@ GSList *object_class_get_list(const char *implements_type,
 
 static gint object_class_cmp(gconstpointer a, gconstpointer b, gpointer d)
 {
-    return strcasecmp(object_class_get_name((ObjectClass *)a),
-                      object_class_get_name((ObjectClass *)b));
+    return g_ascii_strcasecmp(object_class_get_name((ObjectClass *)a),
+                              object_class_get_name((ObjectClass *)b));
 }
 
 GSList *object_class_get_list_sorted(const char *implements_type,