diff --git a/modules/deeplearning/cloud_opd_fcn_abi.py b/modules/deeplearning/cloud_opd_fcn_abi.py
index 1e6a4f93436386d5b1ff6d493fce9177d3a68b48..3c57441b965305ee8e74699f5bd2d51e44bfec34 100644
--- a/modules/deeplearning/cloud_opd_fcn_abi.py
+++ b/modules/deeplearning/cloud_opd_fcn_abi.py
@@ -191,7 +191,7 @@ def get_cldy_frac_opd(cld_prob, opd):
                        opd[:, 0::4, 2::4], opd[:, 1::4, 2::4], opd[:, 2::4, 2::4], opd[:, 3::4, 2::4],
                        opd[:, 0::4, 3::4], opd[:, 1::4, 3::4], opd[:, 2::4, 3::4], opd[:, 3::4, 3::4]], axis=0)
 
-    s = np.where(s == 0, 1, s)
+    s = np.where(s == 0, 16, s)
     cldy_opd /= s
 
     return cldy_opd