diff --git a/README.adoc b/README.adoc
index e496bb8..25a0d98 100644
--- a/README.adoc
+++ b/README.adoc
@@ -41,4 +41,5 @@ RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet games-misc/cowsay
 # Final image.
 FROM scratch
 COPY --from=build /workdir /
+ENV LANG "en_DK.utf8"
 --------------------------------------------------------------------------------
diff --git a/gentoo-base.Dockerfile b/gentoo-base.Dockerfile
index f41accf..df6f34f 100644
--- a/gentoo-base.Dockerfile
+++ b/gentoo-base.Dockerfile
@@ -16,8 +16,10 @@ RUN echo 'USE="minimal -berkdb -cracklib -gdbm -gpg -ncurses -nls \
 RUN eselect profile set default/linux/amd64/17.1
 RUN quickpkg --include-config=y @world sys-libs/glibc
 RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet sys-apps/portage
+# Needed for locale generation.
+RUN emerge --root=/workdir --buildpkg=y --usepkg --quiet \
+    sys-apps/grep sys-apps/gawk app-arch/gzip
 RUN cp /etc/portage/make.conf /workdir/etc/portage/make.conf
-RUN rm -r /workdir/usr/share/{i18n,locale,zoneinfo}
 
 # Final image.
 FROM scratch
@@ -26,3 +28,6 @@ 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 locale-gen
+RUN eselect locale set en_DK.utf8