diff --git a/zebra/zserv.c b/zebra/zserv.c
index 57b1be4b8b..5b279a7cb2 100644
--- a/zebra/zserv.c
+++ b/zebra/zserv.c
@@ -2614,7 +2614,7 @@ static inline void zserv_handle_commands(struct zserv *client,
 					 struct stream *msg,
 					 struct zebra_vrf *zvrf)
 {
-	if (hdr->command > sizeof(zserv_handlers)
+	if (hdr->command > array_size(zserv_handlers)
 	    || zserv_handlers[hdr->command] == NULL)
 		zlog_info("Zebra received unknown command %d", hdr->command);
 	else