From 9aadeef31baceddc998d9f56c6a25ac4bbe7adb7 Mon Sep 17 00:00:00 2001
From: Teddysun <i@teddysun.com>
Date: Sun, 26 Apr 2020 23:20:33 +0900
Subject: [PATCH] Fixed issue #63

---
 wireguard.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wireguard.sh b/wireguard.sh
index 8d0bbbe..0098097 100644
--- a/wireguard.sh
+++ b/wireguard.sh
@@ -66,7 +66,7 @@ _exists() {
     else
         which "$cmd" > /dev/null 2>&1
     fi
-    rt="$?"
+    local rt=$?
     return ${rt}
 }