diff --git a/postlfs/config/profile.xml b/postlfs/config/profile.xml
index b7623a3219..12cfa2d9fb 100644
--- a/postlfs/config/profile.xml
+++ b/postlfs/config/profile.xml
@@ -446,7 +446,7 @@ for i in $(locale); do
 done
 
 if [[ "$TERM" = linux ]]; then
-  export LANG=C
+  export LANG=C.UTF-8
 else
   export LANG=<replaceable>&lt;ll&gt;</replaceable>_<replaceable>&lt;CC&gt;</replaceable>.<replaceable>&lt;charmap&gt;</replaceable><replaceable>&lt;@modifiers&gt;</replaceable>
 fi</literal>
@@ -459,7 +459,7 @@ for i in $(locale); do
 done
 
 if [[ "$TERM" = linux ]]; then
-  export LANG=C
+  export LANG=C.UTF-8
 else
   source /etc/locale.conf