diff --git a/tools/jnimarshalmethod-gen/App.cs b/tools/jnimarshalmethod-gen/App.cs
index e3ad1710f..febb7f26a 100644
--- a/tools/jnimarshalmethod-gen/App.cs
+++ b/tools/jnimarshalmethod-gen/App.cs
@@ -489,8 +489,12 @@ static Expression CreateRegistration (string method, string signature, LambdaExp
 
 		static void AddRegisterNativeMembers (TypeBuilder dt, ParameterExpression targetType, List<Expression> registrationElements)
 		{
-			var args    = Expression.Parameter (typeof (JniNativeMethodRegistrationArguments),   "args");
+			if (Verbose) {
+				Console.Write ("Adding registration method for ");
+				ColorWriteLine ($"{dt.FullName}", ConsoleColor.Green);
+			}
 
+			var args    = Expression.Parameter (typeof (JniNativeMethodRegistrationArguments),   "args");
 			var body = Expression.Block (
 					new[]{targetType},
 					Expression.Assign (targetType, Expression.Call (Type_GetType, Expression.Constant (dt.FullName))),
@@ -500,6 +504,7 @@ static void AddRegisterNativeMembers (TypeBuilder dt, ParameterExpression target
 
 			var rb = dt.DefineMethod ("__RegisterNativeMembers",
 					System.Reflection.MethodAttributes.Public | System.Reflection.MethodAttributes.Static);
+			rb.SetParameters (typeof (JniNativeMethodRegistrationArguments));
 			rb.SetCustomAttribute (new CustomAttributeBuilder (typeof (JniAddNativeMethodRegistrationAttribute).GetConstructor (Type.EmptyTypes), new object[0]));
 #if _DUMP_REGISTER_NATIVE_MEMBERS
 			Console.WriteLine ($"## Dumping contents of `{dt.FullName}::__RegisterNativeMembers`: ");