diff --git a/src/event/synthetic/SyntheticWheelEvent.js b/src/event/synthetic/SyntheticWheelEvent.js
index 5d2320f9ae..b18d208f27 100644
--- a/src/event/synthetic/SyntheticWheelEvent.js
+++ b/src/event/synthetic/SyntheticWheelEvent.js
@@ -41,7 +41,7 @@ var WheelEventInterface = {
       // Fallback to `wheelDeltaY` for Webkit.
       'wheelDeltaY' in event ? event.wheelDeltaY :
       // Fallback to `wheelDelta` for IE<9.
-      'wheelDelta' in event ? event.wheelData : 0
+      'wheelDelta' in event ? event.wheelDelta : 0
     );
   },
   deltaZ: null,