diff --git a/.travis/run.sh b/.travis/run.sh
index c340b65067f5..9d36b75c4ffa 100755
--- a/.travis/run.sh
+++ b/.travis/run.sh
@@ -23,7 +23,7 @@ fi
 source ~/.venv/bin/activate
 
 if [ -n "${DOCKER}" ]; then
-    docker run -v "$HOME":/cryptography -u `stat -c "%u:%g" "$HOME"` "${DOCKER}" /bin/sh -c "cd /cryptography;tox -- --wycheproof-root='/cryptography/wycheproof'"
+    docker run -v "${TRAVIS_BUILD_DIR}":/build -v "${HOME}/wycheproof":/wycheproof -e TOXENV "${DOCKER}" /bin/sh -c "cd /build;tox -- --wycheproof-root='/wycheproof'"
 elif [ -n "${TOXENV}" ]; then
     tox -- --wycheproof-root="$HOME/wycheproof"
 else