diff -r 42506e19eb6b -r 25e5390cce41 ui/gtk/button.c
--- a/ui/gtk/button.c	Fri Jun 13 10:39:54 2014 +0200
+++ b/ui/gtk/button.c	Tue Jul 22 09:51:17 2014 +0200
@@ -70,7 +70,7 @@
     UiEvent e;
     e.obj = event->obj;
     e.window = event->obj->window;
-    e.document = event->obj->document;
+    e.document = event->obj->ctx->document;
     e.eventdata = NULL;
     e.intval = event->value;
     event->callback(&e, event->userdata);
@@ -80,7 +80,7 @@
     UiEvent e;
     e.obj = event->obj;
     e.window = event->obj->window;
-    e.document = event->obj->document;
+    e.document = event->obj->ctx->document;
     e.eventdata = NULL;
     e.intval = gtk_toggle_tool_button_get_active(widget);
     event->callback(&e, event->userdata);