diff --git a/datasets/raise/merge_single_color_channel_images_according_to_bayer_filter.py b/datasets/raise/merge_single_color_channel_images_according_to_bayer_filter.py
old mode 100644
new mode 100755
index 2ebaa6c..0f6e29d
--- a/datasets/raise/merge_single_color_channel_images_according_to_bayer_filter.py
+++ b/datasets/raise/merge_single_color_channel_images_according_to_bayer_filter.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python3
+
 from PIL import Image
 from utils import Color
 from tqdm import tqdm