diff --git a/setup/start/systemd/box.service b/setup/start/systemd/box.service
index 35d9b59b8..c4afcb9c2 100644
--- a/setup/start/systemd/box.service
+++ b/setup/start/systemd/box.service
@@ -13,7 +13,8 @@ Type=idle
 WorkingDirectory=/home/yellowtent/box
 Restart=always
 ExecStart=/home/yellowtent/box/box.js
-Environment="HOME=/home/yellowtent" "USER=yellowtent" "DEBUG=box:*,connect-lastmile,-box:ldap" "BOX_ENV=cloudron" "NODE_ENV=production"
+; we run commands like df which will parse properly only with correct locale
+Environment="HOME=/home/yellowtent" "USER=yellowtent" "DEBUG=box:*,connect-lastmile,-box:ldap" "BOX_ENV=cloudron" "NODE_ENV=production" "LC_ALL=C"
 ; kill apptask processes as well
 KillMode=control-group
 ; Do not kill this process on OOM. Children inherit this score. Do not set it to -1000 so that MemoryMax can keep working