diff --git a/modules/amv/caliop_clavrx_amv.py b/modules/amv/caliop_clavrx_amv.py
index 06f6d6d7e4042a2f8f4e4d41cc831b36da42fd67..d42ad7fd6b6b8d81c9902b6ac861f05a26e5979d 100644
--- a/modules/amv/caliop_clavrx_amv.py
+++ b/modules/amv/caliop_clavrx_amv.py
@@ -55,10 +55,12 @@ def match_calipso_clavrx_to_amvs(calipso_clavrx_ds, calipso_clavrx_file, amv_fil
     amv_fname, ftime, f_idx = amv_files.get_file(nom_time)
     if f_idx is None:
         return None
+    print(amv_fname)
 
-    gfs_fname, _, _ = gfs_ds.get_file(nom_time)
+    gfs_fname, _, _ = gfs_ds.get_file(nom_time, window=180.0)
     if gfs_fname is None:
         return None
+    print(gfs_fname)
     gfs_xr = xr.open_dataset(gfs_fname)
     gfs_press = gfs_xr['pressure levels']
     gfs_press = gfs_press.values
@@ -313,7 +315,7 @@ def run_caliop_clavrx_amv_match(output_path, path_to_caliop_clavrx, path_to_amvs
     amv_params = amv_ds.get_parameters()
     amv_filenames = amv_ds.flist
 
-    gfs_ds = get_datasource(path_to_gfs, 'GFS', window=180)
+    gfs_ds = get_datasource(path_to_gfs, 'GFS')
 
     for f in caliop_clavrx_ds.flist:
         match_dict = match_calipso_clavrx_to_amvs(caliop_clavrx_ds, f, amv_ds, caliop_clavrx_params, gfs_ds)