Index: kernel/generic/include/ipc/sysipc.h
===================================================================
--- kernel/generic/include/ipc/sysipc.h	(revision e0bc7fccf48d7dd22900a4d0cf37421c390e5f62)
+++ kernel/generic/include/ipc/sysipc.h	(revision bc50fc42c6550ecdf5e89f83b811c2db9ff38684)
@@ -41,6 +41,6 @@
 
 unative_t sys_ipc_call_sync_fast(unative_t phoneid, unative_t method, 
-    unative_t arg1, ipc_data_t *data);
-unative_t sys_ipc_call_sync(unative_t phoneid, ipc_data_t *question,
+    unative_t arg1, unative_t arg2, unative_t arg3, ipc_data_t *data);
+unative_t sys_ipc_call_sync_slow(unative_t phoneid, ipc_data_t *question,
     ipc_data_t *reply);
 unative_t sys_ipc_call_async_fast(unative_t phoneid, unative_t method, 
Index: kernel/generic/include/syscall/syscall.h
===================================================================
--- kernel/generic/include/syscall/syscall.h	(revision e0bc7fccf48d7dd22900a4d0cf37421c390e5f62)
+++ kernel/generic/include/syscall/syscall.h	(revision bc50fc42c6550ecdf5e89f83b811c2db9ff38684)
@@ -49,5 +49,5 @@
 	SYS_AS_AREA_DESTROY,
 	SYS_IPC_CALL_SYNC_FAST,
-	SYS_IPC_CALL_SYNC,
+	SYS_IPC_CALL_SYNC_SLOW,
 	SYS_IPC_CALL_ASYNC_FAST,
 	SYS_IPC_CALL_ASYNC,