diff --git a/installer/resources/i2prouter b/installer/resources/i2prouter
index 16021fda33b5cccd92b465f20767634708e49ef3..95433d7a3dfc0505884129118ef2dd68729f560c 100644
--- a/installer/resources/i2prouter
+++ b/installer/resources/i2prouter
@@ -135,7 +135,7 @@ OPEN_FILES_ULIMIT=2048
 # you may comment out this block and set them yourself here.
 
 if [ ! -n $LANG ]; then
-        for ENV_FILE in /etc/environment /etc/default/locale; do
+        for ENV_FILE in /etc/environment /etc/default/locale /etc/locale.conf; do
                 [ -r "$ENV_FILE" ] || continue
                 [ -s "$ENV_FILE" ] || continue