diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 57a5377b13466f7c3a1e7a557017af1514ac4218..6eea39d876a024cdfecda0ddd8a422bdb6befaf7 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -18,6 +18,7 @@ RUN wget --output-document generate_doc_unreleased.zip \
 RUN octave --eval "pkg install generate_doc_unreleased.zip"
 
 # Unit test framework (MOxUnit)
+WORKDIR /
 RUN wget --output-document MOxUnit-master.zip \
     https://github.com/MOxUnit/MOxUnit/archive/master.zip
 RUN unzip MOxUnit-master.zip