diff --git a/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs b/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs
index 8d2ab126..1e8f4e4b 100644
--- a/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs
+++ b/sources/ClangSharp.PInvokeGenerator/PInvokeGenerator.cs
@@ -320,6 +320,8 @@ public void GenerateBindings(TranslationUnit translationUnit, string filePath, s
                 var diagnostic = new Diagnostic(DiagnosticLevel.Error, e.ToString());
                 _diagnostics.Add(diagnostic);
             }
+
+            GC.KeepAlive(translationUnit);
         }
 
         private void AddDiagnostic(DiagnosticLevel level, string message)