diff --git a/live_bargaining/__init__.py b/live_bargaining/__init__.py
index 106bcc0..1842135 100644
--- a/live_bargaining/__init__.py
+++ b/live_bargaining/__init__.py
@@ -478,9 +478,9 @@ def custom_export(players):
             session.code,
             participant.code,
             player.round_number,
-            player.id,
+            player.id_in_subsession,
             player.id_in_group,
-            player.group.id,
+            player.group.id_in_subsession,
             proposal.offer_id,
             proposal.member_1,
             proposal.member_2,
@@ -503,9 +503,9 @@ def custom_export(players):
             session.code,
             participant.code,
             player.round_number,
-            player.id,
+            player.id_in_subsession,
             player.id_in_group,
-            player.group.id,
+            player.group.id_in_subsession,
             "",
             "",
             "",
@@ -528,9 +528,9 @@ def custom_export(players):
             session.code,
             participant.code,
             player.round_number,
-            player.id,
+            player.id_in_subsession,
             player.id_in_group,
-            player.group.id,
+            player.group.id_in_subsession,
             "",
             "",
             "",