diff --git a/containers/dotnet/MakeItSo/BuildCommand.cs b/containers/dotnet/MakeItSo/BuildCommand.cs
index 324a97c..8fa7378 100644
--- a/containers/dotnet/MakeItSo/BuildCommand.cs
+++ b/containers/dotnet/MakeItSo/BuildCommand.cs
@@ -44,6 +44,7 @@ public void Execute()
                 case UnknownApiBehavior.Error:
                     throw new InvalidOperationException($"No API configured with proto path {_api}, and unknown API behavior is 'error'");
                 case UnknownApiBehavior.Ignore:
+                    Console.WriteLine($"Ignoring unknown API {_api}");
                     return;
                 default:
                     throw new InvalidOperationException($"Unsupported unknown API behavior: {_unknownApiBehavior}");
diff --git a/containers/dotnet/MakeItSo/UpdateCommand.cs b/containers/dotnet/MakeItSo/UpdateCommand.cs
index 649c9ab..7453d61 100644
--- a/containers/dotnet/MakeItSo/UpdateCommand.cs
+++ b/containers/dotnet/MakeItSo/UpdateCommand.cs
@@ -47,6 +47,7 @@ public void Execute()
                 case UnknownApiBehavior.Error:
                     throw new InvalidOperationException($"No API configured with proto path {_api}, and unknown API behavior is 'error'");
                 case UnknownApiBehavior.Ignore:
+                    Console.WriteLine($"Ignoring unknown API {_api}");
                     return;
                 default:
                     throw new InvalidOperationException($"Unsupported unknown API behavior: {_unknownApiBehavior}");