diff --git a/app/scodoc/sco_abs_billets.py b/app/scodoc/sco_abs_billets.py
index eaafab89a..d281b3127 100644
--- a/app/scodoc/sco_abs_billets.py
+++ b/app/scodoc/sco_abs_billets.py
@@ -78,6 +78,15 @@ def table_billets(
     for billet in billets:
         billet_dict = billet.to_dict()
         rows.append(billet_dict)
+        billet_dict["_nomprenom_order"] = (
+            billet.etudiant.sort_key if billet.etudiant else ""
+        )
+        billet_dict["_abs_begin_str_order"] = (
+            billet.abs_begin.isoformat() if billet.abs_begin else ""
+        )
+        billet_dict["_abs_begin_str_order"] = (
+            billet.abs_begin.isoformat() if billet.abs_end else ""
+        )
         if billet_dict["abs_begin"].hour < 12:
             m = " matin"
         else:
@@ -116,7 +125,7 @@ def table_billets(
                 billet_dict["nomprenom"] = "???"  # should not occur
             else:
                 billet_dict["nomprenom"] = billet.etudiant.nomprenom
-                billet_dict["_nomprenom_disp_order"] = billet.etudiant.sort_key
+                billet_dict["_nomprenom_order"] = billet.etudiant.sort_key
                 billet_dict[
                     "_nomprenom_td_attrs"
                 ] = f'id="{billet.etudiant.id}" class="etudinfo"'