diff --git a/Source/Engine/Scripting/Runtime/Mono.cpp b/Source/Engine/Scripting/Runtime/Mono.cpp
index f32d12c57..2c924a874 100644
--- a/Source/Engine/Scripting/Runtime/Mono.cpp
+++ b/Source/Engine/Scripting/Runtime/Mono.cpp
@@ -1091,9 +1091,9 @@ const MAssembly::ClassesDictionary& MAssembly::GetClasses() const
     return _classes;
 }
 
-const MAssembly::ClassesDictionary& MAssembly::GetTypeClasses() const
+MAssembly::ClassesDictionary& MAssembly::GetTypeClasses() const
 {
-    return GetClasses();
+    return const_cast<ClassesDictionary&>(GetClasses());
 }
 
 bool MAssembly::Load(MonoImage* monoImage)
diff --git a/Source/Engine/Scripting/Runtime/None.cpp b/Source/Engine/Scripting/Runtime/None.cpp
index 87ec35ac0..1782134d9 100644
--- a/Source/Engine/Scripting/Runtime/None.cpp
+++ b/Source/Engine/Scripting/Runtime/None.cpp
@@ -303,9 +303,9 @@ const MAssembly::ClassesDictionary& MAssembly::GetClasses() const
     return _classes;
 }
 
-const MAssembly::ClassesDictionary& MAssembly::GetTypeClasses() const
+MAssembly::ClassesDictionary& MAssembly::GetTypeClasses() const
 {
-    return GetClasses();
+    return const_cast<ClassesDictionary&>(GetClasses());
 }
 
 bool MAssembly::LoadCorlib()