Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/LogNormalHydraRingVariableTest.cs
===================================================================
diff -u -r3d5e3ba31a910e7712b77eb49f112069ae1bf396 -rd7f9fa1b5ef1b172cb485ce18df5ce690deb7e56
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/LogNormalHydraRingVariableTest.cs	(.../LogNormalHydraRingVariableTest.cs)	(revision 3d5e3ba31a910e7712b77eb49f112069ae1bf396)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/LogNormalHydraRingVariableTest.cs	(.../LogNormalHydraRingVariableTest.cs)	(revision d7f9fa1b5ef1b172cb485ce18df5ce690deb7e56)
@@ -46,5 +46,15 @@
             Assert.IsNull(hydraRingVariable.Parameter4);
             Assert.AreEqual(expectedCoefficientOfVariation, hydraRingVariable.CoefficientOfVariation);
         }
+
+        [Test]
+        public void Constructor_ShiftNotSet_Parameter3Null()
+        {
+            // Call
+            var hydraRingVariable = new LogNormalHydraRingVariable(1, HydraRingDeviationType.Standard, 2.2, 3.3);
+
+            // Assert
+            Assert.IsNull(hydraRingVariable.Parameter3);
+        }
     }
 }
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