diff --git a/Dockerfile b/Dockerfile
index 8d748a6..6f04bcd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,7 +14,7 @@ LABEL maintainer="lawtancool"
 RUN apt-get update && apt-get install -y wget tar unzip build-essential libssl-dev iproute2 liblz4-dev liblzo2-dev libpam0g-dev libpkcs11-helper1-dev libsystemd-dev easy-rsa iptables pkg-config && \
     wget http://swupdate.openvpn.org/community/releases/openvpn-2.4.8.tar.gz && tar xvf openvpn-2.4.8.tar.gz && \
     wget https://github.com/Tunnelblick/Tunnelblick/archive/v3.8.2beta02.zip && unzip v3.8.2beta02.zip && \
-    cp Tunnelblick-master/third_party/sources/openvpn/openvpn-2.4.8/patches/*.diff openvpn-2.4.8 && \
+    cp Tunnelblick-v3.8.2beta02/third_party/sources/openvpn/openvpn-2.4.8/patches/*.diff openvpn-2.4.8 && \
     cd openvpn-2.4.8 && \
     patch -p1 < 02-tunnelblick-openvpn_xorpatch-a.diff && \
     patch -p1 < 03-tunnelblick-openvpn_xorpatch-b.diff && \