Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs
===================================================================
diff -u -r230a4c55f64ec075d4685b046d7e95e4b3e84e25 -r24e18b63dccdb718dac61c69cc55289553cbaa47
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 230a4c55f64ec075d4685b046d7e95e4b3e84e25)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Plugin/GrassCoverErosionOutwardsPlugin.cs	(.../GrassCoverErosionOutwardsPlugin.cs)	(revision 24e18b63dccdb718dac61c69cc55289553cbaa47)
@@ -880,7 +880,7 @@
             var mechanismSpecificReturnPeriod = double.NaN;
             try
             {
-                mechanismSpecificReturnPeriod = failureMechanism.GetMechanismSpecificReturnPeriod(assessmentSection);
+                mechanismSpecificReturnPeriod = failureMechanism.GetMechanismSpecificNorm(assessmentSection);
             }
             catch (ArgumentException e)
             {