diff --git a/include/RE/IDs.h b/include/RE/IDs.h
index 042600f8..7f43b7ea 100644
--- a/include/RE/IDs.h
+++ b/include/RE/IDs.h
@@ -432,6 +432,7 @@ namespace RE::ID
 
 	namespace TESForm
 	{
+		inline constexpr REL::ID DecExternalRefCount{ 34165 };
 		inline constexpr REL::ID DecRefCount{ 35164 };
 		inline constexpr REL::ID LookupByID{ 86125 };
 		inline constexpr REL::ID LookupByEditorID{ 86123 };
diff --git a/include/RE/T/TESForm.h b/include/RE/T/TESForm.h
index 8ebe415d..bf53b665 100644
--- a/include/RE/T/TESForm.h
+++ b/include/RE/T/TESForm.h
@@ -148,7 +148,7 @@ namespace RE
 		std::uint64_t DecExternalRefCount() const
 		{
 			using func_t = decltype(&TESForm::DecRefCount);
-			static REL::Relocation<func_t> func{ ID::TESForm::DecExternalRefCount };
+			static REL::Relocation<func_t> func{ ID::TESForm::DecExternalRefCount };  // TODO: ID changed
 			return func(this);
 		}