1 files changed, 4 insertions, 1 deletions
diff --git a/android/source/src/java/org/mozilla/gecko/gfx/JavaPanZoomController.java b/android/source/src/java/org/mozilla/gecko/gfx/JavaPanZoomController.java
index d3568216c159..cf5cd25647a1 100644
--- a/android/source/src/java/org/mozilla/gecko/gfx/JavaPanZoomController.java
+++ b/android/source/src/java/org/mozilla/gecko/gfx/JavaPanZoomController.java
@@ -930,7 +930,10 @@ class JavaPanZoomController
 
     @Override
     public boolean onDown(MotionEvent motionEvent) {
-        mWaitForDoubleTap = mTarget.getZoomConstraints().getAllowDoubleTapZoom();
+        if (mTarget.getZoomConstraints() != null)
+            mWaitForDoubleTap = mTarget.getZoomConstraints().getAllowDoubleTapZoom();
+        else
+            mWaitForDoubleTap = false;
         return false;
     }