diff --git a/browser/components/tabbrowser/content/tabs.js b/browser/components/tabbrowser/content/tabs.js
index 282e7f31fe158d929130c17628f7e30f690fd666..7225cb6bae5af213718a4e2df41f855631d6ce4e 100644
--- a/browser/components/tabbrowser/content/tabs.js
+++ b/browser/components/tabbrowser/content/tabs.js
@@ -1387,10 +1387,12 @@
 
     _handleTabSelect(aInstant) {
       let selectedTab = this.selectedItem;
-      if (this.hasAttribute("overflow")) {
-        this.arrowScrollbox.ensureElementIsVisible(selectedTab, aInstant);
-      }
+      this.arrowScrollbox.ensureElementIsVisible(selectedTab, aInstant);
 
+      if (!aInstant && Services.prefs.getBoolPref('zen.view.compact')
+          && Services.prefs.getBoolPref('zen.view.compact.toolbar-flash-popup')) {
+        gZenCompactModeManager.flashSidebar();
+      }
       selectedTab._notselectedsinceload = false;
     }