diff --git a/SAS/TMSS/backend/src/tmss/tmssapp/adapters/parset.py b/SAS/TMSS/backend/src/tmss/tmssapp/adapters/parset.py
index ead648a3dcf9acbad21afdc95a350496db0569de..afa4049c2329a9e02d77c08085d9e778e3a0bf67 100644
--- a/SAS/TMSS/backend/src/tmss/tmssapp/adapters/parset.py
+++ b/SAS/TMSS/backend/src/tmss/tmssapp/adapters/parset.py
@@ -605,7 +605,7 @@ def _convert_to_parset_dict_for_pulsarpipeline_schema(subtask: models.Subtask) -
     parset["Observation.ObservationControl.PythonControl.Pulsar.norfi"] = subtask["presto"]["norfi"]
     parset["Observation.ObservationControl.PythonControl.Pulsar.prepdata_extra_opts"] = subtask["presto"]["prepdata_extra_opts"]
     parset["Observation.ObservationControl.PythonControl.Pulsar.prepfold_extra_opts"] = subtask["presto"]["prepfold_extra_opts"]
-    parset["Observation.ObservationControl.PythonControl.Pulsar.prepsubband_extra_opts"] = subtask["oresto"]["prepsubband_extra_opts"]
+    parset["Observation.ObservationControl.PythonControl.Pulsar.prepsubband_extra_opts"] = subtask["presto"]["prepsubband_extra_opts"]
     parset["Observation.ObservationControl.PythonControl.Pulsar.pulsar"] = subtask["pulsar"]
     parset["Observation.ObservationControl.PythonControl.Pulsar.raw_to_8bit"] = subtask["output"]["raw_to_8bit"]
     parset["Observation.ObservationControl.PythonControl.Pulsar.rfifind_extra_opts"] = subtask["presto"]["rfifind_extra_opts"]