diff --git a/build-helpers/make-linux-build-docker-inner.sh b/build-helpers/make-linux-build-docker-inner.sh
index b8e471c5533da0732b6cc80ad91216fdb2cde782..48d4b986abaa3fd242728918916d0607b40feeed 100755
--- a/build-helpers/make-linux-build-docker-inner.sh
+++ b/build-helpers/make-linux-build-docker-inner.sh
@@ -18,7 +18,7 @@ rm -Rf "$VENV_VERSION"
 curl -k https://pypi.python.org/packages/source/v/virtualenv/$VENV_VERSION.tar.gz | tar xfz -
 
 VIRTUALENV=virtualenv
-scl enable python27 $VENV_VERSION/virtualenv.py -p $PYTHON_EXE --system-site-packages --no-setuptools .env
+scl enable python27 "$VENV_VERSION/virtualenv.py -p $PYTHON_EXE --system-site-packages --no-setuptools .env"
 
 source .env/bin/activate