diff --git a/main.py b/main.py
index 2a36300..ae04f2a 100644
--- a/main.py
+++ b/main.py
@@ -58,7 +58,7 @@ if __name__ == "__main__":
         
     sort_parser = subparsers.add_parser( "sort", help="Sort faces in a directory.")     
     sort_parser.add_argument('--input-dir', required=True, action=fixPathAction, dest="input_dir", help="Input directory. A directory containing the files you wish to process.")
-    sort_parser.add_argument('--by', required=True, dest="sort_by_method", choices=("blur", "face", "face-dissim", "face-yaw", "hist", "hist-dissim", "hist-blur", "ssim", "brightness", "hue", "origname"), help="Method of sorting. 'origname' sort by original filename to recover original sequence." )
+    sort_parser.add_argument('--by', required=True, dest="sort_by_method", choices=("blur", "face", "face-dissim", "face-yaw", "hist", "hist-dissim", "hist-blur", "ssim", "brightness", "hue", "black", "origname"), help="Method of sorting. 'origname' sort by original filename to recover original sequence." )
     sort_parser.set_defaults (func=process_sort)
     
     def process_train(arguments):      
diff --git a/mainscripts/Sorter.py b/mainscripts/Sorter.py
index db766e0..3c17299 100644
--- a/mainscripts/Sorter.py
+++ b/mainscripts/Sorter.py
@@ -464,7 +464,20 @@ def sort_by_hist_dissim(input_path):
     img_list = sorted(img_list, key=operator.itemgetter(4), reverse=True)
 
     return img_list
+    
+def sort_by_black(input_path):
+    print ("Sorting by amount of black pixels...")
 
+    img_list = []
+    for x in tqdm( Path_utils.get_image_paths(input_path), desc="Loading"):
+        img = cv2.imread(x)
+        img_list.append ([x, img[(img == 0)].size ])
+
+    print ("Sorting...")
+    img_list = sorted(img_list, key=operator.itemgetter(1), reverse=False)
+
+    return img_list
+    
 def final_rename(input_path, img_list):
     for i in tqdm( range(0,len(img_list)), desc="Renaming" , leave=False):
         src = Path (img_list[i][0])        
@@ -529,6 +542,7 @@ def main (input_path, sort_by_method):
     elif sort_by_method == 'hist-blur':     img_list = sort_by_hist_blur (input_path)
     elif sort_by_method == 'brightness':    img_list = sort_by_brightness (input_path)
     elif sort_by_method == 'hue':           img_list = sort_by_hue (input_path)
+    elif sort_by_method == 'black':         img_list = sort_by_black (input_path)    
     elif sort_by_method == 'origname':      img_list = sort_by_origname (input_path)       
     
     final_rename (input_path, img_list)
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