Index: uspace/lib/block/block.c
===================================================================
--- uspace/lib/block/block.c	(revision fc22069bde020238acd12a7eb6194ef878fc7e34)
+++ uspace/lib/block/block.c	(revision cb0ca35e2ad68472d87676ca4a287c1ff54daa41)
@@ -148,5 +148,5 @@
 	bd_t *bd;
 
-	async_sess_t *sess = loc_service_connect(EXCHANGE_SERIALIZE, service_id,
+	async_sess_t *sess = loc_service_connect(service_id, INTERFACE_BLOCK,
 	    IPC_FLAG_BLOCKING);
 	if (!sess) {