diff --git a/lib/kafs/afssysdefs.h b/lib/kafs/afssysdefs.h
index e65805554..45c3f5a40 100644
--- a/lib/kafs/afssysdefs.h
+++ b/lib/kafs/afssysdefs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
+ * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -82,6 +82,10 @@
 #define AFS_SYSCALL 210
 #endif
 
+#ifdef __APPLE__		/* MacOS X */
+#define AFS_SYSCALL 230
+#endif
+
 #ifdef SYS_afs_syscall
 #define AFS_SYSCALL3	SYS_afs_syscall
 #endif