diff --git a/utils.py b/utils.py
index 7a2274c..891ee15 100644
--- a/utils.py
+++ b/utils.py
@@ -599,12 +599,15 @@ def provide_patches(imgs_list_train, segs_list_train, dir_img, dir_seg, dir_flow
                         indexer += 1
                 if brightening:
                     for factor in brightness:
-                        cv2.imwrite(dir_flow_train_imgs + '/img_' + str(indexer) + '.png',
-                                    (resize_image(do_brightening(dir_img + '/' +im, factor), input_height, input_width)))
+                        try:
+                            cv2.imwrite(dir_flow_train_imgs + '/img_' + str(indexer) + '.png',
+                                        (resize_image(do_brightening(dir_img + '/' +im, factor), input_height, input_width)))
                         
-                        cv2.imwrite(dir_flow_train_labels + '/img_' + str(indexer) + '.png',
-                                    resize_image(cv2.imread(dir_of_label_file), input_height, input_width))
-                        indexer += 1
+                            cv2.imwrite(dir_flow_train_labels + '/img_' + str(indexer) + '.png',
+                                        resize_image(cv2.imread(dir_of_label_file), input_height, input_width))
+                            indexer += 1
+                        except:
+                            pass
                     
                 if binarization:
                     cv2.imwrite(dir_flow_train_imgs + '/img_' + str(indexer) + '.png',