From 31de6d67e7557208b9d1e8c37300fb3f6b45a47d Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Thu, 18 Oct 2018 14:00:07 -0700
Subject: Make GRPCHost.callOptions immutable

---
 src/objective-c/GRPCClient/GRPCCall.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/objective-c/GRPCClient/GRPCCall.m')

diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 0facf97e09..3f77aaafb3 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -751,7 +751,7 @@ const char *kCFStreamVarName = "grpc_cfstream";
     GRPCMutableCallOptions *callOptions;
     if ([GRPCHost isHostConfigured:_host]) {
       GRPCHost *hostConfig = [GRPCHost hostWithAddress:_host];
-      callOptions = hostConfig.callOptions;
+      callOptions = [hostConfig.callOptions mutableCopy];
     } else {
       callOptions = [[GRPCMutableCallOptions alloc] init];
     }
-- 
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