Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Activities/TargetProbabilityCalculationActivity.cs
===================================================================
diff -u -r67100b9ae4581855aa4b6e1675c3fdf550614c7a -r1ed8634b879f06546f5e532048bbf6481bf39088
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Activities/TargetProbabilityCalculationActivity.cs	(.../TargetProbabilityCalculationActivity.cs)	(revision 67100b9ae4581855aa4b6e1675c3fdf550614c7a)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Activities/TargetProbabilityCalculationActivity.cs	(.../TargetProbabilityCalculationActivity.cs)	(revision 1ed8634b879f06546f5e532048bbf6481bf39088)
@@ -94,7 +94,10 @@
 
         protected override void OnFinish()
         {
-            handleCalculationOutputAction(targetProbabilityCalculationOutput);
+            if (State == ActivityState.Executed)
+            {
+                handleCalculationOutputAction(targetProbabilityCalculationOutput);
+            }
         }
     }
 }
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