diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index 3e4383e5..5a8f2924 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -1719,7 +1719,8 @@ namespace CppSharp.Generators.CSharp
 
         public void GenerateInternalFunction(Function function)
         {
-            if(function.Ignore) return;
+            if (!function.IsProcessed || function.ExplicityIgnored)
+                return;
 
             GenerateDeclarationCommon(function);
             WriteLine("[SuppressUnmanagedCodeSecurity]");