From fb9d054ac7da0cad67cb7431fc91823c7349df33 Mon Sep 17 00:00:00 2001
From: Muxi Yan <mxyan@google.com>
Date: Thu, 11 Oct 2018 13:16:35 -0700
Subject: Check string length

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

(limited to 'src/objective-c/GRPCClient')

diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index 40db83155b..0f2c367331 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -738,7 +738,7 @@ const char *kCFStreamVarName = "grpc_cfstream";
     } else {
       callOptions = [[GRPCMutableCallOptions alloc] init];
     }
-    if (_serverName != nil) {
+    if (_serverName.length != 0) {
       callOptions.serverAuthority = _serverName;
     }
     if (_timeout != 0) {
-- 
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