diff --git a/modules/util/util.py b/modules/util/util.py
index bf2a1be7bb53c4257456df880356a01f8985cc43..f7bf79a77badcb718c154dc71f11c6c762142f38 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -576,7 +576,7 @@ def write_icing_file(clvrx_str_time, preds, x, y, lons, lats):
     lat_ds.attrs.create('units', data='degrees_north')
     lat_ds.attrs.create('long_name', data='icing prediction latitude')
 
-    proj_ds = h5f_out.create_dataset('Projection', data=None, dtype='b')
+    proj_ds = h5f_out.create_dataset('Projection', data=0, dtype='b')
     proj_ds.attrs.create('long_name', data='Himawari Imagery Projection')
     proj_ds.attrs.create('sweep_angle_axis', data='y')
     proj_ds.attrs.create('units', data='radians')