diff --git a/src/servers/hono.ts b/src/servers/hono.ts
index df3c382a..178788f4 100644
--- a/src/servers/hono.ts
+++ b/src/servers/hono.ts
@@ -91,5 +91,6 @@ honoServer.onError((error, ctx) => {
   }
 
   console.error('Unexpected error:', error.message);
+  console.log(error.stack);
   return ctx.text('Internal Server Error', 500);
 });