diff --git a/twoot.py b/twoot.py
index bf9157d..305ac23 100755
--- a/twoot.py
+++ b/twoot.py
@@ -546,7 +546,7 @@ def main(argv):
     except FileNotFoundError:  # The directory does not exist
         pass
 
-    logging.info('Run time : %2.1f seconds', str(time.time() - start_time))
+    logging.info('Run time : %2.1f seconds' % (time.time() - start_time))
     logging.info('_____________________________________________________________')