Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/FailureMechanism/FailureMechanismBaseTest.cs
===================================================================
diff -u -rfec99b77571cc0cf37b60f5ca257394714fde1d7 -r23a37b025a5d0358c1f30fb31de41a2c284519a5
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/FailureMechanism/FailureMechanismBaseTest.cs	(.../FailureMechanismBaseTest.cs)	(revision fec99b77571cc0cf37b60f5ca257394714fde1d7)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/FailureMechanism/FailureMechanismBaseTest.cs	(.../FailureMechanismBaseTest.cs)	(revision 23a37b025a5d0358c1f30fb31de41a2c284519a5)
@@ -317,7 +317,7 @@
                 }
             }
 
-            public override ICalculationGroup CalculationsGroup { get; protected set; }
+            public override CalculationGroup CalculationsGroup { get; protected set; }
         }
     }
 }
\ No newline at end of file