Index: wflow-py/wflow/wflow_sbm.py
===================================================================
diff -u -rf9f3c6899180840802fcf49f03ae83612edb4d66 -r899eb64a4496dc91fa172aadcb404a4d5c035899
--- wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision f9f3c6899180840802fcf49f03ae83612edb4d66)
+++ wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision 899eb64a4496dc91fa172aadcb404a4d5c035899)
@@ -1974,7 +1974,7 @@
         self.ActRootingDepth = min(self.SoilThickness * 0.99, self.ActRootingDepth)
 
         # Split between bare soil/open water and vegetation
-        self.potsoilopenwaterevap = (1.0 - self.CanopyGapFraction) * self.PotTransSoil
+        self.potsoilopenwaterevap = self.CanopyGapFraction * self.PotTransSoil
         self.PotTrans = self.PotTransSoil - self.potsoilopenwaterevap
         self.PotTrans0 = self.PotTrans