diff options
Diffstat (limited to 'src/objective-c/GRPCClient/GRPCCall.m')
| -rw-r--r-- | src/objective-c/GRPCClient/GRPCCall.m | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m index 46cd5a4f22..6de7bd8967 100644 --- a/src/objective-c/GRPCClient/GRPCCall.m +++ b/src/objective-c/GRPCClient/GRPCCall.m @@ -581,7 +581,7 @@ const char *kCFStreamVarName = "grpc_cfstream"; break; } - NSMutableDictionary *headers = [_requestHeaders copy]; + NSMutableDictionary *headers = [_requestHeaders mutableCopy]; NSString *fetchedOauth2AccessToken; @synchronized(self) { fetchedOauth2AccessToken = _fetchedOauth2AccessToken; |