diff --git a/clapper_src/playerBase.js b/clapper_src/playerBase.js
index b9b31796..e9051a99 100644
--- a/clapper_src/playerBase.js
+++ b/clapper_src/playerBase.js
@@ -45,7 +45,7 @@ class ClapperPlayerBase extends GstPlayer.Player
             video_renderer: renderer
         });
 
-        this.widget = gtkglsink.widget;
+        this.widget = gtk4glsink.widget;
         this.widget.vexpand = true;
         this.widget.hexpand = true;