Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs
===================================================================
diff -u -r3ad0828133cb882ea12cce0a0392c772a523fbc9 -r69634527eef3ea9da999f4236d31a318e24b60f4
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs	(.../WaveConditionsCalculationServiceBase.cs)	(revision 3ad0828133cb882ea12cce0a0392c772a523fbc9)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs	(.../WaveConditionsCalculationServiceBase.cs)	(revision 69634527eef3ea9da999f4236d31a318e24b60f4)
@@ -75,6 +75,7 @@
         /// <param name="hydraulicBoundaryDatabaseFilePath">The file path of the hydraulic boundary
         /// database file which to validate.</param>
         /// <param name="preprocessorDirectory">The preprocessor directory to validate.</param>
+        /// <param name="targetProbability">The target probability to validate.</param>
         /// <param name="designWaterLevelName">The name of the design water level property.</param>
         /// <returns><c>true</c> if there were no validation errors; <c>false</c> otherwise.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="waveConditionsInput"/>
@@ -83,6 +84,7 @@
                                                           RoundedDouble assessmentLevel,
                                                           string hydraulicBoundaryDatabaseFilePath,
                                                           string preprocessorDirectory,
+                                                          double targetProbability,
                                                           string designWaterLevelName)
         {
             if (waveConditionsInput == null)
@@ -101,6 +103,7 @@
                                               preprocessorDirectory,
                                               waveConditionsInput,
                                               assessmentLevel,
+                                              targetProbability,
                                               designWaterLevelName);
 
             CalculationServiceHelper.LogMessagesAsError(messages);
@@ -211,6 +214,7 @@
                                               string preprocessorDirectory,
                                               WaveConditionsInput input,
                                               RoundedDouble assessmentLevel,
+                                              double targetProbability,
                                               string designWaterLevelName)
         {
             var validationResults = new List<string>();
@@ -228,6 +232,8 @@
                 validationResults.Add(preprocessorDirectoryValidationProblem);
             }
 
+            TargetProbabilityCalculationServiceHelper.ValidateTargetProbability(targetProbability, message => validationResults.Add(message));
+
             if (validationResults.Any())
             {
                 return validationResults.ToArray();