diff --git a/dom/browser-element/BrowserElementPanning.js b/dom/browser-element/BrowserElementPanning.js
index 98678bae73e4..c8f53057414d 100644
--- a/dom/browser-element/BrowserElementPanning.js
+++ b/dom/browser-element/BrowserElementPanning.js
@@ -115,9 +115,7 @@ const ContentPanning = {
   },
 
   observe: function cp_observe(subject, topic, data) {
-    if (topic === 'BEC:ShownModalPrompt') {
-      this._resetHover();
-    }
+    this._resetHover();
   },
 
   position: new Point(0 , 0),