diff --git a/modules/tracking/samples/multitracker.cpp b/modules/tracking/samples/multitracker.cpp
index a9e4c8aca..84b464ebe 100644
--- a/modules/tracking/samples/multitracker.cpp
+++ b/modules/tracking/samples/multitracker.cpp
@@ -11,7 +11,7 @@
 #include <opencv2/tracking.hpp>
 #include <opencv2/videoio.hpp>
 #include <opencv2/highgui.hpp>
-#include <opencv2/flann/timer.h>
+#include "opencv2/flann/timer.h" // it should be opencv2/flann.hpp
 #include <iostream>
 #include <cstring>
 #include <ctime>