1 files changed, 4 insertions, 4 deletions
diff --git a/src/library_html5.js b/src/library_html5.js
index b17a0d4d..0a938df6 100644
--- a/src/library_html5.js
+++ b/src/library_html5.js
@@ -240,10 +240,10 @@ var LibraryJSEvents = {
       var handlerFunc = function(event) {
         var e = event || window.event;
         JSEvents.fillMouseEventData(JSEvents.wheelEvent, e);
-        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaX, 'e.deltaX', 'double') }}};
-        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaY, 'e.deltaY', 'double') }}};
-        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaZ, 'e.deltaZ', 'double') }}};
-        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaMode, 'e.deltaMode', 'i32') }}};
+        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaX, 'e["deltaX"]', 'double') }}};
+        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaY, 'e["deltaY"]', 'double') }}};
+        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaZ, 'e["deltaZ"]', 'double') }}};
+        {{{ makeSetValue('JSEvents.wheelEvent', C_STRUCTS.EmscriptenWheelEvent.deltaMode, 'e["deltaMode"]', 'i32') }}};
         var shouldCancel = Runtime.dynCall('iiii', callbackfunc, [eventTypeId, JSEvents.wheelEvent, userData]);
         if (shouldCancel) {
           e.preventDefault();