diff --git a/Telegram/gyp/refresh.sh b/Telegram/gyp/refresh.sh
index 5a456ce28..c076c08f0 100755
--- a/Telegram/gyp/refresh.sh
+++ b/Telegram/gyp/refresh.sh
@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 set -e
 FullExecPath=$PWD
 pushd `dirname $0` > /dev/null