diff --git a/timetracker.py b/timetracker.py
index 81322f1..fa2be57 100755
--- a/timetracker.py
+++ b/timetracker.py
@@ -74,7 +74,7 @@ for act in sorted(start.keys()):
 
   ind[act] = delta
   gtot += delta
-  if delta <= 300:
+  if delta <= 288:
       gtoth += 0.08
   else:
       gtoth += nearest(delta/3600.00)