diff -r 34513f76d5a8 -r 34df61c6ec3c ui/cocoa/toolkit.m
--- a/ui/cocoa/toolkit.m	Fri Apr 11 17:02:19 2014 +0200
+++ b/ui/cocoa/toolkit.m	Fri Apr 11 21:45:24 2014 +0200
@@ -202,6 +202,7 @@
     NSWindow *activeWindow = [NSApp keyWindow];
     
     UiEvent event;
+    event.eventdata = NULL;
     if([activeWindow class] == [UiCocoaWindow class]) {
         event.obj = [(UiCocoaWindow*)activeWindow object];
         event.window = event.obj->window;
@@ -222,6 +223,7 @@
     
     UiEvent event;
     event.intval = state;
+    event.eventdata = NULL;
     if([activeWindow class] == [UiCocoaWindow class]) {
         event.obj = [(UiCocoaWindow*)activeWindow object];
         event.window = event.obj->window;