Index: wflow-py/wflow/wflow_sbm.py
===================================================================
diff -u -r1221c6ca744db5c7266471e39acd720886b6f854 -re0e83dc590507d08297ea1ca9e10b97a14498d96
--- wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision 1221c6ca744db5c7266471e39acd720886b6f854)
+++ wflow-py/wflow/wflow_sbm.py	(.../wflow_sbm.py)	(revision e0e83dc590507d08297ea1ca9e10b97a14498d96)
@@ -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