diff --git a/servers/slapd/back-bdb/config.c b/servers/slapd/back-bdb/config.c
index e07381f748..a5b5888fc4 100644
--- a/servers/slapd/back-bdb/config.c
+++ b/servers/slapd/back-bdb/config.c
@@ -163,8 +163,8 @@ static ConfigOCs bdbocs[] = {
 #endif
 		"SUP olcDatabaseConfig "
 		"MUST olcDbDirectory "
-		"MAY ( olcDbCacheSize $ olcDbCheckpoint $ olcDbConfig $ "
-		"olcDbCryptFile $ olcDbCryptKey $ "
+		"MAY ( olcDbCacheSize $ olcDbCheckpoint $ olcDbChecksum $ "
+		"olcDbConfig $ olcDbCryptFile $ olcDbCryptKey $ "
 		"olcDbNoSync $ olcDbDirtyRead $ olcDbIDLcacheSize $ "
 		"olcDbIndex $ olcDbLinearIndex $ olcDbLockDetect $ "
 		"olcDbMode $ olcDbSearchStack $ olcDbShmKey $ "