diff --git a/src/sample/x2/xpp_cp/deps/xroc-framework/tutorials/stage1/method/b_box.h b/src/sample/x2/xpp_cp/deps/xroc-framework/tutorials/stage1/method/b_box.h
index 43a83ff..b857818 100644
--- a/src/sample/x2/xpp_cp/deps/xroc-framework/tutorials/stage1/method/b_box.h
+++ b/src/sample/x2/xpp_cp/deps/xroc-framework/tutorials/stage1/method/b_box.h
@@ -12,6 +12,7 @@
 
 #include <string>
 #include "hobotxsdk/xroc_data.h"
+#include <iostream>
 
 namespace hobot {
 namespace vision {