diff --git a/gentoo-base.Dockerfile b/gentoo-base.Dockerfile
index bbcb460..2beb1f9 100644
--- a/gentoo-base.Dockerfile
+++ b/gentoo-base.Dockerfile
@@ -30,6 +30,6 @@ LABEL description="My base for Gentoo images (Without build dependencies)."
 COPY --from=build /workdir /
 RUN echo 'portage:x:250:250:portage:/var/tmp/portage:/bin/false' >> /etc/passwd
 RUN echo 'portage::250:portage' >> /etc/group
-RUN echo 'en_DK.UTF-8 UTF-8' > /etc/locale.gen
+RUN echo -e 'C.UTF-8 UTF-8\nen_DK.UTF-8 UTF-8' > /etc/locale.gen
 RUN locale-gen
 RUN eselect locale set en_DK.utf8