diff -up libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/cvdemo.cpp.cv4 libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/cvdemo.cpp
--- libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/cvdemo.cpp.cv4	2020-01-27 13:26:58.804395458 +0100
+++ libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/cvdemo.cpp	2020-01-27 13:26:58.808395477 +0100
@@ -1,5 +1,4 @@
-#include <opencv/cv.h>
-#include <opencv/highgui.h>
+#include <opencv2/highgui/highgui_c.h>
 #include <stdio.h>
 #include "libfreenect_cv.h"
 
diff -up libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/libfreenect_cv.h.cv4 libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/libfreenect_cv.h
--- libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/libfreenect_cv.h.cv4	2020-01-27 13:26:58.804395458 +0100
+++ libfreenect-88166014859c09f6ad6a93f0862bdcc4e46dc87e/wrappers/opencv/libfreenect_cv.h	2020-01-27 13:29:39.237158488 +0100
@@ -1,6 +1,6 @@
 #pragma once
 
-#include <opencv/cv.h>
+#include <opencv2/core/core_c.h>
 
 #ifdef __cplusplus
 extern "C" {