diff --git a/unity/Assets/core/upm/Editor/Src/Generator/IL2Cpp/InstructionsFilter.cs b/unity/Assets/core/upm/Editor/Src/Generator/IL2Cpp/InstructionsFilter.cs
index 092b6e17b1..31865dc900 100644
--- a/unity/Assets/core/upm/Editor/Src/Generator/IL2Cpp/InstructionsFilter.cs
+++ b/unity/Assets/core/upm/Editor/Src/Generator/IL2Cpp/InstructionsFilter.cs
@@ -95,10 +95,14 @@ static BindingMode FilterBigStructAndPointerOfPointer(MemberInfo memberInfo)
                     {
                         return BindingMode.DontBinding;
                     }
-                    if (ptype.IsByRef || ptype.IsPointer || ptype == typeof(System.IntPtr) || ptype == typeof(System.UIntPtr))
+                    if (ptype.IsByRef || ptype.IsPointer)
                     {
                         return BindingMode.DontBinding;
                     }
+                    if (ptype == typeof(System.IntPtr) || ptype == typeof(System.UIntPtr))
+                    {
+                        return BindingMode.SlowBinding;
+                    }
                 }
             }