diff --git a/src/render/index.ts b/src/render/index.ts
index a810e29..58b964e 100644
--- a/src/render/index.ts
+++ b/src/render/index.ts
@@ -5,7 +5,8 @@ import styles from "ansi-styles";
 import { supportsColorStderr } from "chalk";
 
 const home = os.homedir();
-const reasoningWriter = Bun.file(`${home}/.aicl_reasoning.md`).writer();
+const reasoningFile = Bun.file(`${home}/.aicl_reasoning.md`);
+const reasoningWriter = reasoningFile.writer();
 
 export default class StreamRenderer {
   private lineCount = 0;
@@ -68,6 +69,7 @@ export default class StreamRenderer {
               process.stderr,
             );
           this.write("\n", process.stderr);
+          reasoningFile.write("");
           break;
         }
         case "reasoning-delta": {