diff --git a/src/t_zset.c b/src/t_zset.c
index d2535c72..b8ad2fc6 100644
--- a/src/t_zset.c
+++ b/src/t_zset.c
@@ -1254,7 +1254,7 @@ int zuiNext(zsetopsrc *op, zsetopval *val) {
     if (val->flags & OPVAL_DIRTY_ROBJ)
         decrRefCount(val->ele);
 
-    bzero(val,sizeof(zsetopval));
+    memset(val,0,sizeof(zsetopval));
 
     if (op->type == REDIS_SET) {
         iterset *it = &op->iter.set;