diff --git a/modules/util/viirs.py b/modules/util/viirs.py
index cff98c91c51d7b06aafebccbde28ef8099160e0d..e8da13dafa7fd112bcf01d6b07de963eafd691c8 100644
--- a/modules/util/viirs.py
+++ b/modules/util/viirs.py
@@ -16,11 +16,12 @@ def run_all(directory):
     img_tiles = []
 
     for idx, mfile in enumerate(mod_files):
-        if idx % 2 == 0:
+        if idx % 8 == 0:
             w_o_ext, ext = os.path.splitext(mfile)
             ifile = w_o_ext+'.highres'+ext
             if not os.path.exists(ifile):
                 continue
+            print(mfile)
             run(mfile, ifile, mod_tiles, img_tiles)
 
     mod_nda = np.stack(mod_tiles)