diff --git a/index.js b/index.js
index 229d01e53a..bd0ee2f489 100644
--- a/index.js
+++ b/index.js
@@ -541,7 +541,7 @@ exports.commands = [
     "ZADD", "ZREM", "ZINCRBY", "ZRANK", "ZREVRANK", "ZRANGE", "ZREVRANGE", "ZRANGEBYSCORE", "ZCOUNT", "ZCARD", "ZSCORE",
     "ZREMRANGEBYRANK", "ZREMRANGEBYSCORE", "ZUNIONSTORE", "ZINTERSTORE",
     // Commands operating on hashes
-    "HSET", "HGET", "HMGET", "HMSET", "HINCRBY", "HEXISTS", "HDEL", "HLEN", "HKEYS", "HVALS", "HGETALL",
+    "HSET", "HSETNX", "HGET", "HMGET", "HMSET", "HINCRBY", "HEXISTS", "HDEL", "HLEN", "HKEYS", "HVALS", "HGETALL",
     // Sorting
     "SORT",
     // Persistence control commands