Index: Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs
===================================================================
diff -u -rf9f8c1930941084de0b0010b52fc5f76ad2eaa48 -r51f87dd6a3c95498155174a81fae5ff83e1b816f
--- Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs	(.../MigrationTo181IntegrationTest.cs)	(revision f9f8c1930941084de0b0010b52fc5f76ad2eaa48)
+++ Ringtoets/Migration/test/Ringtoets.Migration.Integration.Test/MigrationTo181IntegrationTest.cs	(.../MigrationTo181IntegrationTest.cs)	(revision 51f87dd6a3c95498155174a81fae5ff83e1b816f)
@@ -350,7 +350,7 @@
             {
                 ReadOnlyCollection<MigrationLogMessage> messages = reader.GetMigrationLogMessages();
 
-                Assert.AreEqual(65, messages.Count);
+                Assert.AreEqual(66, messages.Count);
                 var i = 0;
                 MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                     new MigrationLogMessage("17.3", newVersion, "Gevolgen van de migratie van versie 17.3 naar versie 18.1:"),
@@ -579,6 +579,9 @@
                     new MigrationLogMessage("17.3", newVersion, "  + Toetsspoor: 'Betrouwbaarheid sluiting kunstwerk'"),
                     messages[i++]);
                 MigrationLogTestHelper.AssertMigrationLogMessageEqual(
+                    new MigrationLogMessage("17.3", newVersion, "    - De waarde van '0' van parameter 'Aantal identieke doorstroomopeningen' van berekening 'Invalid Identical Apertures' is ongeldig en is veranderd naar 1."),
+                    messages[i++]);
+                MigrationLogTestHelper.AssertMigrationLogMessageEqual(
                     new MigrationLogMessage("17.3", newVersion, "    - De waarde van '0' van parameter 'Aantal identieke doorstroomopeningen' van kunstwerk 'Gemaal Leemans' is ongeldig en is veranderd naar 1."),
                     messages[i++]);
                 MigrationLogTestHelper.AssertMigrationLogMessageEqual(