diff options
| -rw-r--r-- | src/csharp/Grpc.Core/Metadata.cs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/csharp/Grpc.Core/Metadata.cs b/src/csharp/Grpc.Core/Metadata.cs index aa22f840d6..52cef96f40 100644 --- a/src/csharp/Grpc.Core/Metadata.cs +++ b/src/csharp/Grpc.Core/Metadata.cs @@ -323,7 +323,7 @@ namespace Grpc.Core private static string NormalizeKey(string key) { - var normalized = GrpcPreconditions.CheckNotNull(key, "key").ToLower(CultureInfo.InvariantCulture); + var normalized = GrpcPreconditions.CheckNotNull(key, "key").ToLowerInvariant(); GrpcPreconditions.CheckArgument(ValidKeyRegex.IsMatch(normalized), "Metadata entry key not valid. Keys can only contain lowercase alphanumeric characters, underscores and hyphens."); return normalized; |