diff --git a/sohstationviewer/model/data_type_model.py b/sohstationviewer/model/data_type_model.py
index 9eddc4a0d0ddede9fe417c0eff1554fcb3347440..4f7b6253f786b0f1c7b51d3347779e44e5a6cecb 100644
--- a/sohstationviewer/model/data_type_model.py
+++ b/sohstationviewer/model/data_type_model.py
@@ -360,7 +360,8 @@ class DataTypeModel():
                            list_of_rt130_paths,
                            req_wf_chans=[], req_soh_chans=[],
                            read_start=0, read_end=constants.HIGHEST_INT,
-                           include_mp123=False, include_mp456=False):
+                           include_mp123=False, include_mp456=False,
+                           rt130_waveform_data_req=False):
         """
         Create a DataTypeModel object, with the concrete class being based on
         data_type. Run on the same thread as its caller, and so will block the
@@ -386,7 +387,9 @@ class DataTypeModel():
                 data_type, tracking_box, folder, list_of_rt130_paths,
                 reqWFChans=req_wf_chans, reqSOHChans=req_soh_chans,
                 readStart=read_start, readEnd=read_end,
-                include_mp123=include_mp123, include_mp456=include_mp456)
+                include_mp123=include_mp123, include_mp456=include_mp456,
+                rt130_waveform_data_req=rt130_waveform_data_req
+            )
         else:
             from sohstationviewer.model.mseed.mseed import MSeed
             data_object = MSeed(