Index: uspace/lib/block/libblock.c
===================================================================
--- uspace/lib/block/libblock.c	(revision a6ba0c9cb46c31fab5fccc5ab7ff90a3a8cacb82)
+++ uspace/lib/block/libblock.c	(revision b2a6fcfe62e491c8d0a4c86810869e9bcff954a5)
@@ -862,5 +862,5 @@
 static int get_block_size(int dev_phone, size_t *bsize)
 {
-	ipcarg_t bs;
+	sysarg_t bs;
 	int rc;
 
@@ -875,5 +875,5 @@
 static int get_num_blocks(int dev_phone, aoff64_t *nblocks)
 {
-	ipcarg_t nb_l, nb_h;
+	sysarg_t nb_l, nb_h;
 	int rc;