diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 84e435f096f73c097607f21d1bce5cb61cf0c5a8..ac530830a234dc12ea5d3b61b0a0ea1d55943176 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -233,7 +233,7 @@ def run_one(data_h5f, data_tiles, tile_width=64, kernel_size=9):
 
     data = np.stack(grd_s)
 
-    num_keep_x_tiles = 2
+    num_keep_x_tiles = 4
     #num_keep_x_tiles = 1
     i_skip = num_keep_x_tiles * tile_width
     j_skip = 1 * tile_width