diff --git a/manage.sh b/manage.sh
index a450c6df..db167cab 100755
--- a/manage.sh
+++ b/manage.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
 
+export LANG=C
+
 BASE_DIR="$(dirname -- "`readlink -f -- "$0"`")"
 
 cd -- "$BASE_DIR"