diff --git a/main.go b/main.go
index 1806199..a2c1a33 100644
--- a/main.go
+++ b/main.go
@@ -1622,7 +1622,7 @@ StandardOutput   = append:%s/%%i.log
 StandardError    = append:%s/%%i.log
 WorkingDirectory = %s
 EnvironmentFile  = %s
-ExecStart        = %s/pocketbase serve --dir="${POCKETBASE_DATA_DIR}" --http="127.0.0.1:${PORT}"
+ExecStart        = %s/pocketbase serve --dir=$POCKETBASE_DATA_DIR --http="127.0.0.1:${PORT}"
 
 [Install]
 WantedBy = multi-user.target