diff --git a/pipelines/LATISS/cpPtc.yaml b/pipelines/LATISS/cpPtc.yaml
index ee36a46bd..65f7795df 100644
--- a/pipelines/LATISS/cpPtc.yaml
+++ b/pipelines/LATISS/cpPtc.yaml
@@ -7,3 +7,4 @@ tasks:
     class: lsst.cp.pipe.ptc.PhotonTransferCurveExtractPairTask
     config:
       efdSalIndex: 201
+      useEfdPhotodiodeData: false