diff --git a/radicale.py b/radicale.py
index 29011064..e4746f0d 100755
--- a/radicale.py
+++ b/radicale.py
@@ -162,4 +162,4 @@ finally:
 
     # remove pidfile
     if options.pid:
-       os.unlink(options.pid)
+        os.unlink(options.pid)