diff --git a/app/scodoc/sco_groups.py b/app/scodoc/sco_groups.py
index 17b76f2c..d0123c5c 100644
--- a/app/scodoc/sco_groups.py
+++ b/app/scodoc/sco_groups.py
@@ -792,7 +792,7 @@ def setGroups(
             return xml_error(msg, code=404)
         # Place dans ce groupe les etudiants indiqués:
         for etudid in fs[1:-1]:
-            change_etud_group_in_partition(etudid, group.id)
+            change_etud_group_in_partition(etudid, group)
 
     # Update parcours
     partition.formsemestre.update_inscriptions_parcours_from_groups()
diff --git a/sco_version.py b/sco_version.py
index 99628f42..f21ff590 100644
--- a/sco_version.py
+++ b/sco_version.py
@@ -1,7 +1,7 @@
 # -*- mode: python -*-
 # -*- coding: utf-8 -*-
 
-SCOVERSION = "9.5.3"
+SCOVERSION = "9.5.4"
 
 SCONAME = "ScoDoc"