diff --git a/docker/centos-7-aarch64.ks b/docker/centos-7-aarch64.ks
index a821ca0..118c4d6 100644
--- a/docker/centos-7-aarch64.ks
+++ b/docker/centos-7-aarch64.ks
@@ -94,7 +94,7 @@ passwd -l root
 #LANG="en_US"
 #echo "%_install_lang $LANG" > /etc/rpm/macros.image-language-conf
 
-awk '(NF==0&&!done){print "override_install_langs='$LANG'\ntsflags=nodocs";done=1}{print}' \
+awk '(NF==0&&!done){print "override_install_langs=en_US.utf8\ntsflags=nodocs";done=1}{print}' \
     < /etc/yum.conf > /etc/yum.conf.new
 mv /etc/yum.conf.new /etc/yum.conf
 echo 'container' > /etc/yum/vars/infra