diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c
index 299eca63c4..54a135d92d 100644
--- a/gst-libs/gst/gl/gstgldisplay.c
+++ b/gst-libs/gst/gl/gstgldisplay.c
@@ -251,6 +251,7 @@ gst_gl_display_finalize (GObject * object)
     g_free (l->data);
   }
 
+  g_list_free (display->windows);
   g_list_free (display->priv->contexts);
 
   g_cond_clear (&display->priv->thread_cond);