Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs
===================================================================
diff -u -rd2753c88b67dda711ab593c1d8a45ed472049d81 -rf2184f65cf8300b422f8bbf67d6b8aaafd0647e6
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision d2753c88b67dda711ab593c1d8a45ed472049d81)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision f2184f65cf8300b422f8bbf67d6b8aaafd0647e6)
@@ -185,7 +185,6 @@
             {
                 // TODO: put in resource
                 validationResult.Add("Er is geen kunstwerk geselecteerd.");
-                return validationResult.ToArray();
             }
             else
             {
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs
===================================================================
diff -u -r12adc4f02f30f7e1d65953624958ed5af436f24f -rf2184f65cf8300b422f8bbf67d6b8aaafd0647e6
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision 12adc4f02f30f7e1d65953624958ed5af436f24f)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Service.Test/HeightStructuresCalculationServiceTest.cs	(.../HeightStructuresCalculationServiceTest.cs)	(revision f2184f65cf8300b422f8bbf67d6b8aaafd0647e6)
@@ -221,7 +221,7 @@
             assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");
 
             const string name = "<very nice name>";
-            string expectedValidationMessage = string.Format("Validatie mislukt: De verwachtingswaarde van '{0}' moet een geldig getal zijn.", parameterName);
+            string expectedValidationMessage = string.Format("Validatie mislukt: De verwachtingswaarde voor '{0}' moet een geldig getal zijn.", parameterName);
 
             var calculation = new TestHeightStructuresCalculation()
             {
@@ -268,7 +268,7 @@
             assessmentSectionStub.HydraulicBoundaryDatabase.FilePath = Path.Combine(testDataPath, "HRD dutch coast south.sqlite");
 
             const string name = "<very nice name>";
-            string expectedValidationMessage = string.Format("Validatie mislukt: De verwachtingswaarde van '{0}' moet een positief getal zijn.", parameterName);
+            string expectedValidationMessage = string.Format("Validatie mislukt: De verwachtingswaarde voor '{0}' moet een positief getal zijn.", parameterName);
 
             var calculation = new TestHeightStructuresCalculation()
             {