diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index 00bd49f1..b566fa37 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -1580,7 +1580,7 @@ namespace CppSharp.Generators.CSharp
                      entry.Kind == VTableComponentKind.DeletingDtorPointer) &&
                     !entry.IsIgnored() &&
                     (!destructorOnly || entry.Method.IsDestructor ||
-                     Driver.Options.ExplicitlyPatchedVirtualFunctions.Contains(entry.Method.OriginalName)))
+                     Driver.Options.ExplicitlyPatchedVirtualFunctions.Contains(entry.Method.QualifiedOriginalName)))
                     WriteLine("{0} = _Thunks[{1}];", managedVftableEntry, wrappedEntries.IndexOf(entry));
                 else
                     WriteLine("{0} = {1};", managedVftableEntry, nativeVftableEntry);
diff --git a/src/Generator/Options.cs b/src/Generator/Options.cs
index e6ad0796..6603e6b9 100644
--- a/src/Generator/Options.cs
+++ b/src/Generator/Options.cs
@@ -41,7 +41,7 @@ namespace CppSharp
 
             StripLibPrefix = true;
 
-            ExplicitlyPatchedVirtualFunctions = new List<string>();
+            ExplicitlyPatchedVirtualFunctions = new HashSet<string>();
         }
 
         // General options
@@ -209,7 +209,7 @@ namespace CppSharp
         /// <summary>
         /// C# end only: force patching of the virtual entries of the functions in this list.
         /// </summary>
-        public List<string> ExplicitlyPatchedVirtualFunctions { get; private set; }
+        public HashSet<string> ExplicitlyPatchedVirtualFunctions { get; private set; }
     }
 
     public class InvalidOptionException : Exception