diff -r 7a36f91c22f7 -r a499c8a72c15 ui/common/types.c
--- a/ui/common/types.c	Tue Apr 01 11:50:32 2014 +0200
+++ b/ui/common/types.c	Tue Apr 01 11:53:10 2014 +0200
@@ -65,7 +65,13 @@
 void ui_notify_except(UiObserver *observer, UiObserver *exc, void *data) {
     while(observer) {
         if(observer != exc) {
-            observer->callback(data, observer->data);
+            UiEvent evt;
+            evt.obj = NULL;
+            evt.window = NULL;
+            evt.document = NULL;
+            evt.eventdata = data;
+            evt.intval = 0;
+            observer->callback(&evt, observer->data);
         }
         observer = observer->next;
     }