diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 3f06a155f7c6f0c27fec1b4ca88fd73a5f756534..5e07a95273eeb176c4f401a33ef9b19f245d505f 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -185,8 +185,8 @@ def run(data_h5f, label_h5f, data_tiles, label_tiles, mod_tile_width=64, kernel_
     mod_data = np.stack(l1b_grd_s)
     img_data = np.stack(l2_grd_s)
 
-    #num_keep_x_tiles = 3
-    num_keep_x_tiles = 1
+    num_keep_x_tiles = 3
+    #num_keep_x_tiles = 1
     i_skip = 3 * mod_tile_width
     #i_skip = 1
     j_skip = 1 * mod_tile_width