diff --git a/src/dodal/beamlines/i22.py b/src/dodal/beamlines/i22.py
index 93e52034a6..635125e71c 100644
--- a/src/dodal/beamlines/i22.py
+++ b/src/dodal/beamlines/i22.py
@@ -198,6 +198,7 @@ def undulator(
         bl_prefix=False,
         poles=80,
         length=2.0,
+        id_gap_lookup_table_path="/dls_sw/i22/software/daq_configuration/lookup/BeamLine_Undulator_toGap.txt",
     )