diff --git a/main.c b/main.c
index 6559a8b..1f653d7 100644
--- a/main.c
+++ b/main.c
@@ -105,15 +105,21 @@ sendbooks(struct kreq *r)
   kjson_open(&req, r);
   kjson_obj_open(&req);
   if (NULL == b) {
-    kjson_putstringp(&req, "data", "error");
+    kjson_objp_open(&req, "error");
+    kjson_putstringp(&req, "msg", "Unknown book");
+    kjson_obj_close(&req);
   } else {
+    kjson_objp_open(&req, "book");
     kjson_putstringp(&req, "data", "books");
     kjson_putintp(&req, "id", b->id);
     kjson_putstringp(&req, "title", b->title);
+    kjson_obj_close(&req);
   }
+#ifdef	__DEBUG__
   kjson_putstringp(&req, "_path", r->path);
   kjson_putstringp(&req, "_pname", r->pname);
   kjson_putstringp(&req, "_pagename", r->pagename);
+#endif
   kjson_obj_close(&req);
   kjson_close(&req);
 }