diff --git a/src/Wolverine/Transports/EnvelopeMapper.cs b/src/Wolverine/Transports/EnvelopeMapper.cs
index a75da0cd8..a4130a067 100644
--- a/src/Wolverine/Transports/EnvelopeMapper.cs
+++ b/src/Wolverine/Transports/EnvelopeMapper.cs
@@ -431,7 +431,7 @@ protected DateTimeOffset readDateTimeOffset(TIncoming incoming, string key)
     {
         if (tryReadIncomingHeader(incoming, key, out var raw))
         {
-            if (DateTimeOffset.TryParse(raw, out var flag))
+            if (DateTimeOffset.TryParseExact(raw, DateTimeOffsetFormat, null, DateTimeStyles.AssumeUniversal,  out var flag))
             {
                 return flag;
             }