diff --git a/servers/slapd/back-mdb/id2entry.c b/servers/slapd/back-mdb/id2entry.c
index 162845b793..ea1e6bd6a5 100644
--- a/servers/slapd/back-mdb/id2entry.c
+++ b/servers/slapd/back-mdb/id2entry.c
@@ -391,7 +391,7 @@ mdb_opinfo_get( Operation *op, struct mdb_info *mdb, int rdonly, mdb_op_info **m
 		mdb_txn_renew( moi->moi_txn );
 	}
 	moi->moi_ref++;
-	if ( !*moip != moi )
+	if ( *moip != moi )
 		*moip = moi;
 
 	return 0;