diff --git a/Makefile b/Makefile
index 63e15e657fa..80a0ddf2b55 100644
--- a/Makefile
+++ b/Makefile
@@ -1,13 +1,15 @@
 GPU=0
 CUDNN=0
-OPENCV=0
+OPENCV=1
 OPENMP=0
 DEBUG=0
 
 ARCH= -gencode arch=compute_30,code=sm_30 \
       -gencode arch=compute_35,code=sm_35 \
+      -gencode arch=compute_75,code=sm_75 \
       -gencode arch=compute_50,code=[sm_50,compute_50] \
       -gencode arch=compute_52,code=[sm_52,compute_52]
+      
 #      -gencode arch=compute_20,code=[sm_20,sm_21] \ This one is deprecated?
 
 # This is what I use, uncomment if you know your arch and want to specify
@@ -19,13 +21,13 @@ ALIB=libdarknet.a
 EXEC=darknet
 OBJDIR=./obj/
 
-CC=gcc
-CPP=g++
+CC=gcc-12
+CPP=g++-12
 NVCC=nvcc 
 AR=ar
 ARFLAGS=rcs
 OPTS=-Ofast
-LDFLAGS= -lm -pthread 
+LDFLAGS= -lm -pthread
 COMMON= -Iinclude/ -Isrc/
 CFLAGS=-Wall -Wno-unused-result -Wno-unknown-pragmas -Wfatal-errors -fPIC
 
@@ -42,8 +44,8 @@ CFLAGS+=$(OPTS)
 ifeq ($(OPENCV), 1) 
 COMMON+= -DOPENCV
 CFLAGS+= -DOPENCV
-LDFLAGS+= `pkg-config --libs opencv` -lstdc++
-COMMON+= `pkg-config --cflags opencv` 
+LDFLAGS+= `pkg-config --libs opencv4` -lstdc++
+COMMON+= `pkg-config --cflags opencv4`
 endif
 
 ifeq ($(GPU), 1) 
diff --git a/src/image_opencv.cpp b/src/image_opencv.cpp
index 7511280be07..624c5e6e069 100644
--- a/src/image_opencv.cpp
+++ b/src/image_opencv.cpp
@@ -2,7 +2,13 @@
 
 #include "stdio.h"
 #include "stdlib.h"
-#include "opencv2/opencv.hpp"
+
+#include "opencv4/opencv2/opencv.hpp"
+#include "opencv4/opencv2/core/types_c.h"
+#include "opencv4/opencv2/core/core_c.h"
+#include "opencv4/opencv2/videoio/legacy/constants_c.h"
+#include "opencv4/opencv2/highgui/highgui_c.h"
+
 #include "image.h"
 
 using namespace cv;
@@ -60,7 +66,7 @@ Mat image_to_mat(image im)
 
 image mat_to_image(Mat m)
 {
-    IplImage ipl = m;
+    IplImage ipl = cvIplImage(m);
     image im = ipl_to_image(&ipl);
     rgbgr_image(im);
     return im;