=== modified file 'addressbook/backends/file/e-book-backend-file.c'
--- addressbook/backends/file/e-book-backend-file.c	2007-12-18 16:36:30 +0000
+++ addressbook/backends/file/e-book-backend-file.c	2007-12-18 16:42:54 +0000
@@ -666,6 +666,9 @@
 	FileBackendSearchClosure *closure = get_closure (book_view);
 	gboolean need_join;
 
+	if (!closure)
+		return;
+
 	d(printf ("stopping query\n"));
 	need_join = e_flag_is_set (closure->running);
 	e_flag_clear (closure->running);