diff --git a/Dockerfile b/Dockerfile
index e574c96..9651103 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,8 +28,8 @@ RUN apt-get update -yqq && apt-get install -yqq \
 
 WORKDIR /usr/src/murmur
 RUN \
-    git clone https://github.com/mumble-voip/mumble.git . \
-    && git checkout master \
+    git clone https://github.com/qamodi/mumble.git . \
+    && git checkout fix-session-id-0 \
     && git submodule init \
     && git submodule update