diff --git a/modules/deeplearning/cloud_opd_fcn_abi.py b/modules/deeplearning/cloud_opd_fcn_abi.py
index e5f757cc912a67ef6c0111043f652ad858966416..9a0111ccfc61f378341ba1c1c2306e744428d2ae 100644
--- a/modules/deeplearning/cloud_opd_fcn_abi.py
+++ b/modules/deeplearning/cloud_opd_fcn_abi.py
@@ -936,8 +936,8 @@ class SRCNN:
         # Use this hack for now.
         off_earth = (bt <= 161.0)
         night = np.isnan(refl)
-        cldy_frac_opd_out[off_earth] = -1
-        cldy_frac_opd_out[np.invert(off_earth) & night] = -1
+        cldy_frac_opd_out[off_earth] = -1.0
+        cldy_frac_opd_out[np.invert(off_earth) & night] = -1.0
 
         # ---   Make DataArray -------------------------------------------------
         # var_names = ['cloud_fraction', 'temp_11_0um', 'refl_0_65um']