diff --git a/src/neo/Helper.cs b/src/neo/Helper.cs
index 8ed9979781..b8a0a7f79e 100644
--- a/src/neo/Helper.cs
+++ b/src/neo/Helper.cs
@@ -236,7 +236,7 @@ public static ulong ToTimestampMS(this DateTime time)
         {
             return (ulong)(time.ToUniversalTime() - unixEpoch).TotalMilliseconds;
         }
-      
+
         /// <summary>
         /// Checks if address is IPv4 Maped to IPv6 format, if so, Map to IPv4.
         /// Otherwise, return current address.