diff --git a/gtk/gtkcolorbutton.c b/gtk/gtkcolorbutton.c
index 352695d73d..472efddb6c 100644
--- a/gtk/gtkcolorbutton.c
+++ b/gtk/gtkcolorbutton.c
@@ -369,7 +369,7 @@ gtk_color_button_drag_data_received (GtkWidget        *widget,
    */
   if (length != 8)
     {
-      g_warning ("%s: Received invalid color data", G_GNUC_FUNCTION);
+      g_warning ("%s: Received invalid color data", G_STRFUNC);
       return;
     }