diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 1d53626..cb475b7 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -193,7 +193,9 @@
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
-        mController.onConfgurationChanged(newConfig);
+        if (mController != null) {
+            mController.onConfgurationChanged(newConfig);
+        }
     }
 
     @Override