diff --git a/gst/gl/gstglimagesink.c b/gst/gl/gstglimagesink.c
index 840e52183a..bbf900e061 100644
--- a/gst/gl/gstglimagesink.c
+++ b/gst/gl/gstglimagesink.c
@@ -688,6 +688,8 @@ static gboolean
 gst_glimage_sink_interface_supported (GstImplementsInterface * iface,
     GType type)
 {
+  if (type != GST_TYPE_X_OVERLAY)
+    return FALSE;
   return TRUE;
 }