Index: uspace/lib/c/generic/ddi.c
===================================================================
--- uspace/lib/c/generic/ddi.c	(revision ffa2c8ef45390c01f3f4be4827bcd41c32f7951c)
+++ uspace/lib/c/generic/ddi.c	(revision 4f14e1f8802a61a8c882aefc9d36f523cc9fa40f)
@@ -139,5 +139,5 @@
 int register_irq(int inr, int devno, int method, irq_code_t *ucode)
 {
-	return __SYSCALL4(SYS_IPC_REGISTER_IRQ, inr, devno, method,
+	return __SYSCALL4(SYS_REGISTER_IRQ, inr, devno, method,
 	    (sysarg_t) ucode);
 }
@@ -153,5 +153,5 @@
 int unregister_irq(int inr, int devno)
 {
-	return __SYSCALL2(SYS_IPC_UNREGISTER_IRQ, inr, devno);
+	return __SYSCALL2(SYS_UNREGISTER_IRQ, inr, devno);
 }