Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/NamingHelper.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r6ef5e439a6d9f40ebd9926251945e0935fbbc314
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/NamingHelper.cs	(.../NamingHelper.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Helpers/NamingHelper.cs	(.../NamingHelper.cs)	(revision 6ef5e439a6d9f40ebd9926251945e0935fbbc314)
@@ -46,7 +46,7 @@
             string[] existingNames = existingObjects.Select(nameGetter).ToArray();
             while (existingNames.Any(name => name.Equals(result)))
             {
-                result = string.Format("{0} ({1})", nameBase, i++);
+                result = $"{nameBase} ({i++})";
             }
             return result;
         }