diff --git a/proxywatchd.py b/proxywatchd.py
index c410f93..2e81b2a 100644
--- a/proxywatchd.py
+++ b/proxywatchd.py
@@ -279,7 +279,7 @@ class Proxywatchd():
         self.isoldies = True
         ## disable tor safeguard for old proxies
         if self.tor_safeguard: self.tor_safeguard = False
-        rows = self.mysqlite.execute(q, (config.watchd.max_fail, config.watchd.max_fail*2, config.watchd.checktime, config.watchd.oldies_checktime, time.time())).fetchall()
+        rows = self.mysqlite.execute(q, (config.watchd.max_fail, config.watchd.max_fail + round( config.watchd.max_fail/2), config.watchd.checktime, config.watchd.oldies_checktime, time.time())).fetchall()
     return rows
 
   def prepare_jobs(self):