diff --git a/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/CMakeLists.txt b/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/CMakeLists.txt
index f9bd84cf2a..32a1da5966 100644
--- a/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/CMakeLists.txt
+++ b/samples/cpp/tutorial_code/calib3d/real_time_pose_estimation/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 2.8)
 project( PNP_DEMO )
 
 find_package( Boost REQUIRED )
-find_package( Boost REQUIRED )
+find_package( OpenCV REQUIRED )
 
 include_directories( 
 	$(PNP_DEMO_SOURCE_DIR)/include