diff --git a/mobile/android/base/Tabs.java b/mobile/android/base/Tabs.java
index bee5097e3e16..2f4de3322f9f 100644
--- a/mobile/android/base/Tabs.java
+++ b/mobile/android/base/Tabs.java
@@ -101,7 +101,8 @@ public class Tabs implements GeckoEventListener {
         mSelectedTab = tab;
         GeckoApp.mAppContext.mMainHandler.post(new Runnable() { 
             public void run() {
-                GeckoApp.mAppContext.mFormAssistPopup.hide();
+                if (GeckoApp.mAppContext.mFormAssistPopup != null)
+                    GeckoApp.mAppContext.mFormAssistPopup.hide();
                 if (isSelectedTab(tab)) {
                     String url = tab.getURL();
                     notifyListeners(tab, TabEvents.SELECTED);