diff --git a/python/lsst/ts/standardscripts/maintel/set_dof.py b/python/lsst/ts/standardscripts/maintel/set_dof.py
index 89773b7b..618762dd 100644
--- a/python/lsst/ts/standardscripts/maintel/set_dof.py
+++ b/python/lsst/ts/standardscripts/maintel/set_dof.py
@@ -56,7 +56,7 @@ class SetDOF(ApplyDOF):
     """
 
     def __init__(self, index):
-        super().__init__(index=index, descr="Set DOF absolute state")
+        super().__init__(index=index)
 
     @classmethod
     def get_schema(cls):
@@ -145,8 +145,7 @@ async def get_last_issued_state(self):
             State of the system.
         """
 
-        efd_name = await self.get_efd_name()
-        client = EfdClient(efd_name)
+        client = await self.get_efd_client()
         end_time = self.get_image_time(client, self.day, self.seq)
 
         topics = [f"aggregatedDoF{i}" for i in range(50)]
@@ -165,13 +164,13 @@ async def get_last_issued_state(self):
             self.log.warning("No state found.")
             return np.zeros(50)
 
-    async def get_efd_name(self) -> str:
+    async def get_efd_client(self) -> str:
         """Get the EFD name.
 
         Returns
         -------
-        efd_name : `str`
-            EFD name.
+        EfdClient
+            Client instance to query the EFD.
 
         Raises
         ------
@@ -187,7 +186,7 @@ async def get_efd_name(self) -> str:
             )
             raise RuntimeError("Wrong EFD name: " + message)
         else:
-            return EFD_NAMES[site]
+            return EfdClient(EFD_NAMES[site])
 
     async def run(self) -> None:
         """Run script.
diff --git a/tests/test_maintel_set_dof.py b/tests/test_maintel_set_dof.py
index 453e7040..cb36b8c7 100644
--- a/tests/test_maintel_set_dof.py
+++ b/tests/test_maintel_set_dof.py
@@ -24,6 +24,7 @@
 import unittest
 
 import numpy as np
+import pandas as pd
 from lsst.ts import standardscripts
 from lsst.ts.observatory.control.maintel.mtcs import MTCS, MTCSUsages
 from lsst.ts.observatory.control.utils.enums import DOFName
@@ -55,8 +56,32 @@ async def basic_make_script(self, index):
 
         self.script.mtcs.assert_all_enabled = unittest.mock.AsyncMock()
 
+        self.script.get_efd_client = self.mock_get_efd_client()
+
         return (self.script,)
 
+    async def mock_get_efd_client(self):
+        mock_efd_client = unittest.mock.AsyncMock()
+
+        mock_efd_client.configure_mock(
+            **{
+                "select_time_series.side_effect": self.mock_select_time_series,
+                "influx_client.query.side_effect": self.mock_query,
+            },
+        )
+
+        return mock_efd_client
+
+    async def mock_query():
+        return pd.DataFrame(index=[pd.Timestamp("2024-01-01T00:00:00Z")])
+
+    async def mock_select_time_series():
+        return pd.DataFrame(
+            data=[np.arange(50)],  # A row with 50 sequential values (0 to 49)
+            columns=[f"value_{i}" for i in range(50)],
+            index=[pd.Timestamp("2024-01-01T00:00:00Z")],
+        )
+
     async def mock_get_degrees_of_freedom(self, **kwargs):
         return types.SimpleNamespace(aggregatedDoF=np.zeros(len(DOFName)))