diff --git a/mpikat/effelsberg/edd/pipeline/edd_hdf_pipeline.py b/mpikat/effelsberg/edd/pipeline/edd_hdf_pipeline.py
index bd268450b84f88e5c5eff506a125e576fd08fd89..75bc46b462597e778e1e98a19fd37fb17bb55d78 100644
--- a/mpikat/effelsberg/edd/pipeline/edd_hdf_pipeline.py
+++ b/mpikat/effelsberg/edd/pipeline/edd_hdf_pipeline.py
@@ -528,7 +528,7 @@ class GatedSpectrometerSpeadHandler(object):
         data['integration_time'] = np.array([number_of_input_samples / sampling_rate])
         data['saturated_samples'] = np.array([-42])
 
-        return section_id, data, self.attributes
+        return section_id, data, self.__attributes
 
 
 if __name__ == "__main__":