diff --git a/plugins/shiftedbk/EZFIO.cfg b/plugins/shiftedbk/EZFIO.cfg
index c594bcf8..576bf1e4 100644
--- a/plugins/shiftedbk/EZFIO.cfg
+++ b/plugins/shiftedbk/EZFIO.cfg
@@ -3,6 +3,11 @@ type: double precision
 doc: Calculated energy
 interface: ezfio
 
+[energy_pt2]
+type: double precision
+doc: Calculated energy with pt2 contribution
+interface: ezfio
+
 [thresh_dressed_ci]
 type: Threshold
 doc: Threshold on the convergence of the dressed CI energy