diff --git a/modules/aeolus/datasource.py b/modules/aeolus/datasource.py
index f6182625705f1b299e83fcbe145db4dfe6f9469a..c2c027a5f072e2ada3d646d0d8d1dd848248b279 100644
--- a/modules/aeolus/datasource.py
+++ b/modules/aeolus/datasource.py
@@ -78,12 +78,12 @@ def get_parameters_fmwk_amvs(filename='/ships19/cloud/scratch/4TH_AMV_INTERCOMPA
 
 class Files:
     def __init__(self, files_path, file_time_span, pattern):
+        self.flist = []
         if os.path.isdir(files_path):
-            self.flist = []
             for path in Path(files_path).rglob(pattern):
                 self.flist.append(path)
         else:
-            self.flist = glob.glob(files_path + pattern)
+            self.flist.append(files_path)
         if len(self.flist) == 0:
             raise GenericException('no matching files found in: ' + files_path + pattern)