diff --git a/src/idz/decoder/index.ts b/src/idz/decoder/index.ts
index f7372d5..76d755b 100644
--- a/src/idz/decoder/index.ts
+++ b/src/idz/decoder/index.ts
@@ -29,7 +29,7 @@ import { saveProfile2 } from "./saveProfile2";
 import { saveProfile3 } from "./saveProfile3";
 import { saveSettings } from "./saveSettings";
 import { saveStocker } from "./saveStocker";
-import { saveTimeAttack } from "./saveTimeAttack";
+import { saveTimeAttack1, saveTimeAttack2 } from "./saveTimeAttack";
 import { saveTopic } from "./saveTopic";
 import { unlockProfile } from "./unlockProfile";
 import { updateProvisionalStoreRank } from "./updateProvisionalStoreRank";
@@ -83,7 +83,8 @@ const funcList: ReaderFn[] = [
   saveProfile3,
   saveSettings,
   saveStocker,
-  saveTimeAttack,
+  saveTimeAttack1,
+  saveTimeAttack2,
   saveTopic,
   unlockProfile,
   updateProvisionalStoreRank,
diff --git a/src/idz/decoder/saveTimeAttack.ts b/src/idz/decoder/saveTimeAttack.ts
index 3dc7c83..fcdbeaa 100644
--- a/src/idz/decoder/saveTimeAttack.ts
+++ b/src/idz/decoder/saveTimeAttack.ts
@@ -4,10 +4,7 @@ import { CarSelector } from "../model/car";
 import { Profile } from "../model/profile";
 import { SaveTimeAttackRequest } from "../request/saveTimeAttack";
 
-saveTimeAttack.msgCode = 0x00cd as RequestCode;
-saveTimeAttack.msgLen = 0x0080;
-
-export function saveTimeAttack(buf: Buffer): SaveTimeAttackRequest {
+function saveTimeAttack(buf: Buffer): SaveTimeAttackRequest {
   return {
     type: "save_time_attack_req",
     profileId: buf.readUInt32LE(0x0004) as ExtId<Profile>,
@@ -34,3 +31,21 @@ export function saveTimeAttack(buf: Buffer): SaveTimeAttackRequest {
     field_0060: buf.readUInt16LE(0x0060),
   };
 }
+
+// There is ... literally no difference between these messages other than their
+// request code..? Even the response uses the same response code, despite
+// the request codes differing.
+
+saveTimeAttack1.msgCode = 0x00cd as RequestCode;
+saveTimeAttack1.msgLen = 0x0080;
+
+export function saveTimeAttack1(buf: Buffer): SaveTimeAttackRequest {
+  return saveTimeAttack(buf);
+}
+
+saveTimeAttack2.msgCode = 0x0136 as RequestCode;
+saveTimeAttack2.msgLen = 0x0080;
+
+export function saveTimeAttack2(buf: Buffer): SaveTimeAttackRequest {
+  return saveTimeAttack(buf);
+}