Index: uspace/srv/devman/main.c
===================================================================
--- uspace/srv/devman/main.c	(revision 412241029cdceceae7ccb252914ce4d698abd985)
+++ uspace/srv/devman/main.c	(revision d5a89a3a3de1e754f1702111bb064b10ea5b097d)
@@ -136,5 +136,5 @@
 
 	async_exch_t *exch = async_exchange_begin(driver->sess);
-	async_forward_fast(icall, exch, INTERFACE_DDF_CLIENT, handle, 0, IPC_FF_NONE);
+	async_forward_1(icall, exch, INTERFACE_DDF_CLIENT, handle, IPC_FF_NONE);
 	async_exchange_end(exch);
 
@@ -215,5 +215,5 @@
 
 	async_exch_t *exch = async_exchange_begin(driver->sess);
-	async_forward_fast(icall, exch, INTERFACE_DDF_DRIVER, fun_handle, 0, IPC_FF_NONE);
+	async_forward_1(icall, exch, INTERFACE_DDF_DRIVER, fun_handle, IPC_FF_NONE);
 	async_exchange_end(exch);
 
@@ -250,5 +250,5 @@
 
 	async_exch_t *exch = async_exchange_begin(driver->sess);
-	async_forward_fast(icall, exch, iface, handle, 0, IPC_FF_NONE);
+	async_forward_1(icall, exch, iface, handle, IPC_FF_NONE);
 	async_exchange_end(exch);