diff --git a/lib/des/rnd_keys.c b/lib/des/rnd_keys.c
index 7531db05b..85019f67e 100644
--- a/lib/des/rnd_keys.c
+++ b/lib/des/rnd_keys.c
@@ -1,6 +1,6 @@
 #include "des_locl.h"
 
-RCSID("$Id");
+RCSID("$Id$");
 
 #include <sys/time.h>