diff --git a/sohstationviewer/model/reftek/reftek.py b/sohstationviewer/model/reftek/reftek.py
index d55d5fd0941d9b74ca24e3de3e1e55b1a0514688..764bc04d36e771d28f146c21544cf45ee056e8f3 100755
--- a/sohstationviewer/model/reftek/reftek.py
+++ b/sohstationviewer/model/reftek/reftek.py
@@ -196,7 +196,6 @@ class RT130(DataTypeModel):
         self.populate_cur_key_for_all_data(cur_key)
         if data_stream != 9:
             # don't get event info for mass position
-            self.populate_data_stream(cur_key, str(data_stream))
             self.get_ehet_in_log_data(rt130, cur_key)
         self.get_mass_pos_data_and_waveform_data(rt130, data_stream, cur_key)