diff --git a/src/demo.c b/src/demo.c
index 3aca9705..53e8bd10 100644
--- a/src/demo.c
+++ b/src/demo.c
@@ -54,6 +54,7 @@ void draw_detections_cv(IplImage* show_img, int num, float thresh, box *boxes, f
 void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes, int ext_output);
 void show_image_cv_ipl(IplImage *disp, const char *name);
 void save_cv_png(IplImage *img, const char *name);
+void save_cv_jpg(IplImage *img, const char *name);
 image get_image_from_stream_resize(CvCapture *cap, int w, int h, int c, IplImage** in_img, int cpp_video_capture, int dont_close);
 image get_image_from_stream_letterbox(CvCapture *cap, int w, int h, int c, IplImage** in_img, int cpp_video_capture, int dont_close);
 int get_stream_fps(CvCapture *cap, int cpp_video_capture);
@@ -140,6 +141,7 @@ double get_wall_time()
 void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int cam_index, const char *filename, char **names, int classes,
     int frame_skip, char *prefix, char *out_filename, int http_stream_port, int json_port, int dont_show, int ext_output)
 {
+    in_img = det_img = show_img = NULL;
     //skip = frame_skip;
     image **alphabet = load_alphabet();
     int delay = frame_skip;
@@ -274,9 +276,7 @@ void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int
             }else{
                 char buff[256];
                 sprintf(buff, "%s_%08d.jpg", prefix, count);
-                save_cv_png(buff, show_img);
-                //cvSaveImage(buff, show_img, 0);
-                //save_image(disp, buff);
+                if(show_img) save_cv_jpg(show_img, buff);
             }
 
             // if you run it with param -http_port 8090  then open URL in your web-browser: http://localhost:8090
@@ -302,6 +302,7 @@ void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int
             if (flag_exit == 1) break;
 
             if(delay == 0){
+                printf("\n show_img = det_img; \n");
                 show_img = det_img;
             }
             det_img = in_img;
diff --git a/src/image.c b/src/image.c
index 06112cb4..a4443cdd 100644
--- a/src/image.c
+++ b/src/image.c
@@ -508,6 +508,14 @@ void save_cv_png(IplImage *img, const char *name)
     cvRelease(&img_rgb);
 }
 
+void save_cv_jpg(IplImage *img, const char *name)
+{
+    IplImage* img_rgb = cvCreateImage(cvSize(img->width, img->height), 8, 3);
+    cvCvtColor(img, img_rgb, CV_RGB2BGR);
+    stbi_write_jpg(name, img_rgb->width, img_rgb->height, 3, (char *)img_rgb->imageData, 80);
+    cvRelease(&img_rgb);
+}
+
 void draw_detections_cv_v3(IplImage* show_img, detection *dets, int num, float thresh, char **names, image **alphabet, int classes, int ext_output)
 {
     int i, j;
@@ -802,7 +810,7 @@ void draw_train_loss(IplImage* img, int img_size, float avg_loss, float max_img_
     int k = cvWaitKey(20);
     if (k == 's' || current_batch == (max_batches - 1) || current_batch % 100 == 0) {
         //cvSaveImage("chart.jpg", img, 0);
-        save_cv_png("chart.png", img);
+        save_cv_png(img, "chart.png");
         cvPutText(img, "- Saved", cvPoint(250, img_size - 10), &font, CV_RGB(255, 0, 0));
     }
     else