diff --git a/docker/Dockerfile_ubuntu_18.04 b/docker/Dockerfile_ubuntu_18.04
index 4e3bfa76f57ec17ee49037656c60792cbd59fd24..026c49a3542d5ad55a87625665f377fbca3c33f0 100644
--- a/docker/Dockerfile_ubuntu_18.04
+++ b/docker/Dockerfile_ubuntu_18.04
@@ -29,6 +29,7 @@ RUN apt-get install -y --no-install-recommends locales && \
     update-locale en_US.UTF-8 && \
     echo "export LC_ALL=$(locale -a | grep en_US)" >> /root/.bashrc && \
     echo "export LANG=$(locale -a | grep en_US)" >>  /root/.bashrc
+ENV LANGUAGE'en_US:en'
 COPY requirements.txt .
 RUN pip3 install -r requirements.txt
 
diff --git a/requirements.txt b/requirements.txt
index 273d8968b3cf03013d0653fb844de52e4f2502c1..d7c4e4d20bbcfe0cb0ee34b661d984b3d7409a00 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,5 +11,5 @@ pyyaml>=3.12
 plotly>=4.2.1
 matplotlib>=3.1.1
 tabulate>=0.8.6
-pyscm-ml>=1.0.0
+pyscm git+https://github.com/babau1/pyscm@master#egg=pyscm