Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsInput.cs
===================================================================
diff -u -ra3b8f844591b20947be3f6383e2112c0abe5dd10 -rb85ea570b1c4b07ac07df0912089909bc5304cbc
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsInput.cs	(.../MacroStabilityInwardsInput.cs)	(revision a3b8f844591b20947be3f6383e2112c0abe5dd10)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsInput.cs	(.../MacroStabilityInwardsInput.cs)	(revision b85ea570b1c4b07ac07df0912089909bc5304cbc)
@@ -182,14 +182,14 @@
         /// [m]
         /// </summary>
         /// <exception cref="InvalidOperationException">Thrown when the user attempts to set the 
-        /// assessment level while <see cref="UseAssessmentLevelManualInput"/> is <c>false</c></exception>
+        /// assessment level while <see cref="UseAssessmentLevelManualInput"/> is <c>false</c>.</exception>
         public RoundedDouble AssessmentLevel
         {
             get
             {
                 if (!UseAssessmentLevelManualInput)
                 {
-                    return HydraulicBoundaryLocation?.DesignWaterLevel ?? new RoundedDouble(2, double.NaN);
+                    return HydraulicBoundaryLocation?.DesignWaterLevel ?? RoundedDouble.NaN;
                 }
 
                 return assessmentLevel;