diff --git a/include/minix/sef.h b/include/minix/sef.h
index 59d12551d..df82afaad 100644
--- a/include/minix/sef.h
+++ b/include/minix/sef.h
@@ -3,7 +3,7 @@
 #ifndef _SEF_H
 #define _SEF_H
 
-#include <minix.ipc.h>
+#include <minix/ipc.h>
 
 /* SEF entry points for system processes. */
 _PROTOTYPE( void sef_startup, (void) );