Index: wflow-py/wflow/wflow_hbv.py
===================================================================
diff -u -rfa40ba354a77bf667b97035cd43cc735d73c3024 -r15c8700bac616ed3bca3088bb1de810eea23210d
--- wflow-py/wflow/wflow_hbv.py	(.../wflow_hbv.py)	(revision fa40ba354a77bf667b97035cd43cc735d73c3024)
+++ wflow-py/wflow/wflow_hbv.py	(.../wflow_hbv.py)	(revision 15c8700bac616ed3bca3088bb1de810eea23210d)
@@ -760,8 +760,8 @@
     self.SoilMoisture=self.SoilMoisture+self.CapFlux
 
     if not self.SetKquickFlow:
-        self.QuickFlow = max(0,self.KQuickFlow*(self.UpperZoneStorage**(1.0+self.AlphaNL)))
-        self.QuickFlow = min(self.QuickFlow,self.UpperZoneStorage)
+        QuickFlow_temp = max(0,self.KQuickFlow*(self.UpperZoneStorage**(1.0+self.AlphaNL)))
+        self.QuickFlow = min(QuickFlow_temp,self.UpperZoneStorage)
         self.RealQuickFlow = self.ZeroMap
     else:
         self.QuickFlow = self.KQuickFlow*self.UpperZoneStorage