Index: uspace/lib/c/generic/async/server.c
===================================================================
--- uspace/lib/c/generic/async/server.c	(revision fafb8e5dc8a80c87cf66270ca6f93d574a95471c)
+++ uspace/lib/c/generic/async/server.c	(revision 95a47b0706c598a41f34364e1b4080edb0d181e5)
@@ -656,6 +656,6 @@
 	}
 
-	ht_link_t *link = hash_table_find(&notification_hash_table,
-	    &ipc_get_imethod(call));
+	sysarg_t imethod = ipc_get_imethod(call);
+	ht_link_t *link = hash_table_find(&notification_hash_table, &imethod);
 	if (!link) {
 		/* Invalid notification. */