diff --git a/ccw/src/tools/cli-executor.ts b/ccw/src/tools/cli-executor.ts
index 8eb5c704..739faa72 100644
--- a/ccw/src/tools/cli-executor.ts
+++ b/ccw/src/tools/cli-executor.ts
@@ -312,7 +312,7 @@ async function executeCliTool(
 
     // Write prompt to stdin if using stdin mode (for gemini/qwen)
     if (useStdin && child.stdin) {
-      child.stdin.write(prompt);
+      child.stdin.write(finalPrompt);
       child.stdin.end();
     }