diff --git a/src/core_modules/cron.py b/src/core_modules/cron.py
index 56a73206..40c21bd1 100644
--- a/src/core_modules/cron.py
+++ b/src/core_modules/cron.py
@@ -5,7 +5,7 @@ class Module(ModuleManager.BaseModule):
     def on_load(self):
         now = datetime.datetime.utcnow()
         next_minute = now.replace(minute=now.minute+1, second=0, microsecond=0)
-        until = time.time()+(next_minute-now).total_seconds()
+        until = time.time()+((next_minute-now).total_seconds())
         self.timers.add("cron", self._minute, 60, until)
 
     def _minute(self, timer):