diff --git a/action/Dockerfile b/action/Dockerfile
index 6c06111e..161f8f69 100644
--- a/action/Dockerfile
+++ b/action/Dockerfile
@@ -10,9 +10,10 @@ LABEL "repository"="http://github.com/webbertakken/unity-actions"
 LABEL "homepage"="http://github.com/webbertakken/unity-actions"
 LABEL "maintainer"="Webber Takken <webber@takken.io>"
 
+# To be moved to base image
 RUN apt-get -q install -y --no-install-recommends --allow-downgrades && apt-get clean
-ENV LANG=C.UTF-8
-ENV LC_ALL=C.UTF-8
+RUN locale-gen en_US.UTF-8
+ENV LANG='en_US.UTF-8' LANGUAGE='en_US:en' LC_ALL='en_US.UTF-8'
 
 ADD default-build-script /UnityBuilderAction
 ADD steps /steps