diff --git a/containers/phylowgs/v1.5.1-msk/Dockerfile b/containers/phylowgs/v1.5.1-msk/Dockerfile
index 5a9987c..b5d099c 100644
--- a/containers/phylowgs/v1.5.1-msk/Dockerfile
+++ b/containers/phylowgs/v1.5.1-msk/Dockerfile
@@ -27,8 +27,10 @@ RUN apt-get update -y \
       && pip2 install --no-cache-dir -r /tmp/phylowgs/requirements.txt  \
       && cp -r /tmp/phylowgs/ /usr/bin \
       && g++ -I/usr/bin/phylowgs -o /usr/bin/phylowgs/mh.o -O3 /usr/bin/phylowgs/mh.cpp  /usr/bin/phylowgs/util.cpp -I/usr/include -L/usr/lib/aarch64-linux-gnu -lgsl -lgslcblas -lm \
+      && chmod -R +x /usr/bin/phylowgs \
       # Clean up
       && rm -r /tmp/phylowgs \
       && apt-get clean \
       && apt-get purge \
       && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+ENV PATH=/usr/bin/phylowgs/parser/:/usr/bin/phylowgs:$PATH