diff --git a/linkcheck/checker/consumer.py b/linkcheck/checker/consumer.py
index 5cd47abb..30ae85a8 100644
--- a/linkcheck/checker/consumer.py
+++ b/linkcheck/checker/consumer.py
@@ -140,7 +140,7 @@ class Consumer (object):
         """start output of all configured loggers"""
         self.lock.acquire()
         try:
-             self.logger.start_output()
+            self.logger.start_output()
             for logger in self.fileoutput:
                 logger.start_output()
         finally: