diff --git a/src/services/llm/chat/index.ts b/src/services/llm/chat/index.ts
index e29860cad..f7b750104 100644
--- a/src/services/llm/chat/index.ts
+++ b/src/services/llm/chat/index.ts
@@ -6,7 +6,7 @@ import sessionsStore from './sessions_store.js';
 import { ContextHandler } from './handlers/context_handler.js';
 import { ToolHandler } from './handlers/tool_handler.js';
 import { StreamHandler } from './handlers/stream_handler.js';
-import * as messageFormatter from './utils/message-formatter.js';
+import * as messageFormatter from './utils/message_formatter.js';
 import type { ChatSession, ChatMessage, NoteSource } from './interfaces/session.js';
 import type { LLMStreamMessage } from './interfaces/ws_messages.js';
 
diff --git a/src/services/llm/chat/rest_chat_service.ts b/src/services/llm/chat/rest_chat_service.ts
index 51834c4a3..36b824892 100644
--- a/src/services/llm/chat/rest_chat_service.ts
+++ b/src/services/llm/chat/rest_chat_service.ts
@@ -15,7 +15,7 @@ import { ContextHandler } from "./handlers/context_handler.js";
 import { ToolHandler } from "./handlers/tool_handler.js";
 import { StreamHandler } from "./handlers/stream_handler.js";
 import SessionsStore from "./sessions_store.js";
-import * as MessageFormatter from "./utils/message-formatter.js";
+import * as MessageFormatter from "./utils/message_formatter.js";
 import type { NoteSource } from "./interfaces/session.js";
 import type { LLMStreamMessage } from "./interfaces/ws_messages.js";
 
diff --git a/src/services/llm/chat/utils/message-formatter.ts b/src/services/llm/chat/utils/message_formatter.ts
similarity index 100%
rename from src/services/llm/chat/utils/message-formatter.ts
rename to src/services/llm/chat/utils/message_formatter.ts