diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index 2eb09c156b83ca59dcda287302ebe7952acdd3bf..c23a8c3de67647a4c05c74a29f47059785d7efd7 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -61,7 +61,6 @@ data_params = l2_params
 
 
 def keep_tile(param_s, tile):
-    pass
     k = param_s.index('cloud_fraction')
     grd_k = tile[k, ].flatten()
     keep = np.invert(np.isnan(grd_k))
@@ -82,8 +81,8 @@ def process_cld_prob(param_s, tile):
     grd_k = tile[k, ].flatten().copy()
     keep = np.invert(np.isnan(grd_k))
     total = np.sum(keep)
-    # if total == 0:
-    if total != grd_k.size:
+    if total == 0:
+    # if total != grd_k.size:
         return None
 
     grd_k = np.where(np.logical_and(keep, grd_k < 0.5), 0.0, 1.0)