diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 29033e0a42cc9adbf0ece54335d7ddbdcb2c4fa7..d393f3cf7afae32be5d18bf77bd13faf43adba0c 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -149,7 +149,7 @@ def run_all(directory, out_directory, day_night='ANY'):
             label_tiles = []
 
             try:
-                run(data_h5f, data_params, data_train_tiles, data_valid_tiles, num_keep_x_tiles=num_keep_x_tiles, tile_width=128, kernel_size=7, day_night=day_night)
+                run(data_h5f, data_params, data_train_tiles, data_valid_tiles, num_keep_x_tiles=num_keep_x_tiles, tile_width=128, kernel_size=11, day_night=day_night)
                 # run(data_h5f, label_params, label_data_tiles, label_valid_tiles, tile_width=128, kernel_size=7, day_night=day_night)
             except Exception as e:
                 print(e)