diff --git a/extension.js b/extension.js
index 5b057cc..f06779e 100644
--- a/extension.js
+++ b/extension.js
@@ -887,7 +887,9 @@ export default class Openbar extends Extension {
             [ Main.sessionMode, 'updated', this.updatePanelStyle.bind(this) ],
             [ Main.layoutManager, 'monitors-changed', this.updatePanelStyle.bind(this) ],
             [ Main.messageTray._bannerBin, this.addedSignal, this.updatePanelStyle.bind(this), 'message-banner' ],
-            [ global.display, 'in-fullscreen-changed', this.onFullScreen.bind(this), 100 ],
+            [ global.display, 'in-fullscreen-changed', this.onFullScreen.bind(this), 50 ],
+            [ global.display, 'window-entered-monitor', this.setWindowMaxBar.bind(this), 'window-entered-monitor' ],
+            [ global.display, 'window-left-monitor', this.setWindowMaxBar.bind(this), 'window-left-monitor' ],
         ];
         // Connections for actor-added/removed OR child-added/removed as per Gnome version
         const panelBoxes = [panel._leftBox, panel._centerBox, panel._rightBox];