diff --git a/setup.sh b/setup.sh
index b6975152..2bc74b14 100755
--- a/setup.sh
+++ b/setup.sh
@@ -10,6 +10,8 @@ fi
 if which brew >/dev/null;then
     echo "You are using HomeBrew tool"
     brew install vim ctags git astyle
+    ##Fix twisted installation Error in Mac caused by Xcode Version limit
+    sudo ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future easy_install twisted
 fi
 
 sudo easy_install -ZU autopep8 twisted