diff --git a/modules/aeolus/aeolus_amv.py b/modules/aeolus/aeolus_amv.py
index 3b3feda941817096af80a039db465b1cd993d451..5d39d887741329d75a8dd9b5415b81b4c3fa9a11 100644
--- a/modules/aeolus/aeolus_amv.py
+++ b/modules/aeolus/aeolus_amv.py
@@ -310,6 +310,8 @@ def run_best_fit_driver(amv_dir, source, raob_path, gfs_path, product_dir, produ
 
         # TODO: write output file here
         filename = None
+        raob_file_name = None
+        amv_file_name = None
         create_file_new2(filename, raob_dct, gfs_at_raob_dct, bf_dct, prd_dct, raob_filename, amv_file_name)
 
         # Skip this and below if writing an output file.