diff --git a/Makefile b/Makefile
index c9ad1c20fa..78672835bc 100644
--- a/Makefile
+++ b/Makefile
@@ -187,16 +187,36 @@ wheel: clean sdist
 	ls -l dist
 
 release_test_via_docker_ubuntu:
-	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source ubuntu:16.04 /bin/bash -c "cp -r /host_source/* . && apt-get update && apt-get install make python-pip -y && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make test_release"
+	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source ubuntu:16.04 /bin/bash -c "\
+	echo "LC_ALL=\"en_US.UTF-8\"" >> /etc/default/locale \
+	locale-gen en_US.UTF-8 \
+	update-locale LANG=en_US.UTF-8 \
+	export LC_ALL=en_US.UTF-8 \
+	cp -r /host_source/* . && apt-get update && apt-get install make python-pip -y && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make test_release"
 
 release_via_docker_ubuntu:
-	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source ubuntu:16.04 /bin/bash -c "cp -r /host_source/* . && apt-get update && apt-get install make python-pip -y && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make release"
+	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source ubuntu:16.04 /bin/bash -c "\
+		echo "LC_ALL=\"en_US.UTF-8\"" >> /etc/default/locale \
+	locale-gen en_US.UTF-8 \
+	update-locale LANG=en_US.UTF-8 \
+	export LC_ALL=en_US.UTF-8 \
+	cp -r /host_source/* . && apt-get update && apt-get install make python-pip -y && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make release"
 
 release_test_via_docker_alpine:
-	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source alpine /bin/busybox sh -c "cp -r /host_source/* . && apk update && apk add python2 py2-pip make && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make test_release"
+	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source alpine /bin/busybox sh -c "\
+	echo "LC_ALL=\"en_US.UTF-8\"" >> /etc/default/locale \
+	locale-gen en_US.UTF-8 \
+	update-locale LANG=en_US.UTF-8 \
+	export LC_ALL=en_US.UTF-8 \
+	cp -r /host_source/* . && apk update && apk add python2 py2-pip make && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make test_release"
 
 release_via_docker_alpine:
-	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source alpine /bin/busybox sh -c "cp -r /host_source/* . && apk update && apk add python2 py2-pip make && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make release"
+	docker run --rm --name mayan_release -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source alpine /bin/busybox sh -c "\
+	echo "LC_ALL=\"en_US.UTF-8\"" >> /etc/default/locale \
+	locale-gen en_US.UTF-8 \
+	update-locale LANG=en_US.UTF-8 \
+	export LC_ALL=en_US.UTF-8 \
+	cp -r /host_source/* . && apk update && apk add python2 py2-pip make && pip install -r requirements/build.txt && cp -r /host_home/.pypirc ~/.pypirc && make release"
 
 test_sdist_via_docker_ubuntu:
 	docker run --rm --name mayan_sdist_test -v $(HOME):/host_home:ro -v `pwd`:/host_source -w /source ubuntu:16.04 /bin/bash -c "\