diff --git a/modules/aeolus/datasource.py b/modules/aeolus/datasource.py
index d85cf761cfd7a23672815a66d9e08f35cafa0a45..afec05ef4b087efbf672fdaa3a7aca6c6a3eacf9 100644
--- a/modules/aeolus/datasource.py
+++ b/modules/aeolus/datasource.py
@@ -132,7 +132,7 @@ class CLAVRx(Files):
 
 class CLAVRx_VIIRS(Files):
     def __init__(self, files_path):
-        super().__init__(files_path, 10, 'clavrx*viirs*level2.h5')
+        super().__init__(files_path, 5, 'clavrx*viirs*level2.h5')
         self.params = get_parameters_clavrx()
 
     def get_datetime(self, pathname):