diff -r b25f54b51d76 -r d6baaa93f7be ui/gtk/toolkit.c
--- a/ui/gtk/toolkit.c	Sun Jul 13 11:02:45 2025 +0200
+++ b/ui/gtk/toolkit.c	Sun Jul 13 11:38:27 2025 +0200
@@ -191,6 +191,7 @@
     event.document = job->obj->ctx->document;
     event.intval = 0;
     event.eventdata = NULL;
+    event.eventdatatype = 0;
 
     job->finish_callback(&event, job->finish_data);
     free(job);