diff --git a/Dockerfile b/Dockerfile
index af67a7beef..9d47a107f3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,8 @@ ARG filter_output
 VOLUME /buildroot
 
 RUN apt-get -y update &&\
-  apt-get -y install build-essential wget file cpio python rsync unzip bc libncurses-dev git curl
+  apt-get -y install build-essential wget file cpio python rsync unzip bc libncurses-dev git curl locales
+RUN echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && locale-gen
 
 
 RUN wget http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.23.0.tar.xz &&\