diff --git a/modules/aeolus/datasource.py b/modules/aeolus/datasource.py
index 9b4f2566b7f58d41df1fcad3cea901d591d38030..42c915928d1cfb5bca8ae974b4d1aa869ca132b3 100644
--- a/modules/aeolus/datasource.py
+++ b/modules/aeolus/datasource.py
@@ -146,8 +146,8 @@ class GOESL1B(Files):
 
 # GOES-16, CONUS. TODO: Generalize to G-16 and FD, MESO
 class CLAVRx(Files):
-    def __init__(self, files_path, pattern='clavrx_OR_ABI-L1b*.level2.nc'):
-        super().__init__(files_path, 10, pattern)
+    def __init__(self, files_path, pattern='clavrx_OR_ABI-L1b*.level2.nc', file_time_span=10):
+        super().__init__(files_path, file_time_span, pattern)
         self.params = get_parameters_clavrx()
 
     def get_datetime(self, pathname):