Index: Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/CalculationConfigurationImporter.cs
===================================================================
diff -u -r19c6f79760da1309b849ed421990431f969c4f78 -r3f8a98df037e5ab1623b4d786a37bf3797b85f78
--- Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/CalculationConfigurationImporter.cs	(.../CalculationConfigurationImporter.cs)	(revision 19c6f79760da1309b849ed421990431f969c4f78)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/CalculationConfigurationImporter.cs	(.../CalculationConfigurationImporter.cs)	(revision 3f8a98df037e5ab1623b4d786a37bf3797b85f78)
@@ -115,7 +115,7 @@
         /// <param name="readCalculation">The calculation read from XML.</param>
         /// <returns>A parsed calculation instance.</returns>
         /// <exception cref="CriticalFileValidationException">Thrown when something goes wrong while parsing.</exception>
-        protected abstract ICalculationBase ParseReadCalculation(TReadCalculation readCalculation);
+        protected abstract ICalculation ParseReadCalculation(TReadCalculation readCalculation);
 
         private ReadResult<IReadConfigurationItem> ReadConfiguration()
         {
@@ -169,7 +169,7 @@
             return calculationGroup;
         }
 
-        private ICalculationBase ParseReadCalculationInternal(TReadCalculation readCalculation)
+        private ICalculation ParseReadCalculationInternal(TReadCalculation readCalculation)
         {
             try
             {