Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs
===================================================================
diff -u -rbb0aeecc47206f5089ab04ca6c3575a1de8c206f -rcde435e88e283129f4d572fa0b9537a59baf72c2
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs	(.../PipingSemiProbabilisticCalculationService.cs)	(revision bb0aeecc47206f5089ab04ca6c3575a1de8c206f)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingSemiProbabilisticCalculationService.cs	(.../PipingSemiProbabilisticCalculationService.cs)	(revision cde435e88e283129f4d572fa0b9537a59baf72c2)
@@ -116,7 +116,7 @@
 
             CalculateRequiredReliability();
 
-            pipingFactorOfSafety = requiredReliability/pipingReliability;
+            pipingFactorOfSafety = pipingReliability/requiredReliability;
         }
 
         /// <summary>