diff --git a/src/Generator/Generators/Generator.cs b/src/Generator/Generators/Generator.cs
index e47acc6c..47ab0fa8 100644
--- a/src/Generator/Generators/Generator.cs
+++ b/src/Generator/Generators/Generator.cs
@@ -85,6 +85,7 @@ namespace CppSharp.Generators
                         TranslationUnit = unit,
                         Templates = templates
                     };
+                outputs.Add(output);
 
                 OnUnitGenerated(output);
             }