diff --git a/qcodes/instrument_drivers/agilent/Agilent_E8257D.py b/qcodes/instrument_drivers/agilent/Agilent_E8257D.py
index 168f4d037977..cc3528b78083 100644
--- a/qcodes/instrument_drivers/agilent/Agilent_E8257D.py
+++ b/qcodes/instrument_drivers/agilent/Agilent_E8257D.py
@@ -106,8 +106,8 @@ def __init__(
             unit="deg",
             get_cmd="PHASE?",
             set_cmd="PHASE" + " {:.8f}",
-            get_parser=np.rad2deg(),
-            set_parser=np.deg2rad(),
+            get_parser=np.rad2deg,
+            set_parser=np.deg2rad,
             vals=vals.Numbers(-180, 180),
         )