diff --git a/servers/slapd/back-ldbm/idl.c b/servers/slapd/back-ldbm/idl.c
index a19786603a..7244c6ae39 100644
--- a/servers/slapd/back-ldbm/idl.c
+++ b/servers/slapd/back-ldbm/idl.c
@@ -195,7 +195,7 @@ idl_store(
 #endif
 
 	flags = LDBM_REPLACE;
-	if( li->li_dbcachewsync ) flags = LDBM_SYNC;
+	if( li->li_dbcachewsync ) flags |= LDBM_SYNC;
 	rc = ldbm_cache_store( db, key, data, flags );
 
 	/* Debug( LDAP_DEBUG_TRACE, "<= idl_store %d\n", rc, 0, 0 ); */