diff --git a/sys/sys/filedesc.h b/sys/sys/filedesc.h
index 855d2b3bb0c9..07cfb1f921dd 100644
--- a/sys/sys/filedesc.h
+++ b/sys/sys/filedesc.h
@@ -88,7 +88,7 @@ struct filedesc_to_leader {
 /*
  * Per-process open flags.
  */
-#define	UF_EXCLOSE 	0x01		/* auto-close on exec */
+#define	UF_EXCLOSE	0x01		/* auto-close on exec */
 
 #ifdef _KERNEL