diff -upr mate-control-center/font-viewer/font-model.c mate-control-center-test/font-viewer/font-model.c
--- mate-control-center/font-viewer/font-model.c	2015-08-30 12:59:31.368501592 +0200
+++ mate-control-center-test/font-viewer/font-model.c	2015-08-30 12:56:10.053439000 +0200
@@ -343,6 +343,8 @@ font_infos_loaded (gpointer user_data)
         thumb_infos = g_list_prepend (thumb_infos, thumb_info);
     }
 
+    g_signal_emit (self, signals[CONFIG_CHANGED], 0);
+
     g_io_scheduler_push_job (ensure_thumbnails_job,
                              thumb_infos, NULL,
                              G_PRIORITY_DEFAULT, NULL);
@@ -489,10 +491,8 @@ file_monitor_changed_cb (GFileMonitor *m
 
     if (event == G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT ||
         event == G_FILE_MONITOR_EVENT_DELETED ||
-        event == G_FILE_MONITOR_EVENT_CREATED) {
+        event == G_FILE_MONITOR_EVENT_CREATED)
         ensure_font_list (self);
-        g_signal_emit (self, signals[CONFIG_CHANGED], 0);
-    }
 }
 
 static void