diff --git a/app/src/main/java/org/mozilla/focus/tabs/tabtray/TabsSessionModel.java b/app/src/main/java/org/mozilla/focus/tabs/tabtray/TabsSessionModel.java
index 9f59205ae6..cf9ab92697 100644
--- a/app/src/main/java/org/mozilla/focus/tabs/tabtray/TabsSessionModel.java
+++ b/app/src/main/java/org/mozilla/focus/tabs/tabtray/TabsSessionModel.java
@@ -107,6 +107,7 @@ public void unsubscribe() {
         if (onTabModelChangedListener != null) {
             tabsSession.removeTabsViewListener(onTabModelChangedListener);
             tabsSession.removeTabsChromeListener(onTabModelChangedListener);
+            onTabModelChangedListener = null;
         }
     }