diff --git a/mediachanger/castorrmc/h/Castor_limits.h b/mediachanger/castorrmc/h/Castor_limits.h
index 09bb34b4a69ac459dd9fd867b57ab11fdc8d77b4..1ac9b5eb15c23ac502c1510609f8a917ef60338e 100644
--- a/mediachanger/castorrmc/h/Castor_limits.h
+++ b/mediachanger/castorrmc/h/Castor_limits.h
@@ -15,7 +15,7 @@
 #define _CASTOR_LIMITS_H
 
 	/* all maximum lengths defined below do not include the trailing null */
-#define CA_MAXDENNUM      27    /*  ...  */
+#define CA_MAXDENNUM      28    /*  ...  */
 
 #define CA_MAXACLENTRIES 300	/* maximum number of ACL entries for a file/dir */
 #define CA_MAXCLASNAMELEN 15	/* maximum length for a fileclass name */