diff --git a/modules/aeolus/aeolus_amv.py b/modules/aeolus/aeolus_amv.py
index 53045cf71365c4dd41cb6f9274e715a33b00feef..6aea45487dacb1e0edc275675efce54fbf02414a 100644
--- a/modules/aeolus/aeolus_amv.py
+++ b/modules/aeolus/aeolus_amv.py
@@ -34,7 +34,7 @@ class AMVFiles:
             dto = self.get_datetime(pname)
             dto_start = dto
             dto_end = dto + datetime.timedelta(minutes=file_time_span)
-            ftimes.append((dto_start.timestamp(), dto_end.timestamp()))
+            self.ftimes.append((dto_start.timestamp(), dto_end.timestamp()))
 
     def get_datetime(self, pathname):
         return None