diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0c392f29b..8e992bd07 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,6 +10,7 @@
 - Fix a bug: trainings monitoring is not available
 - Fix a bug: invalid password length verification in profile edtion form
 - Fix a bug: invalid password verification in setup script
+- Fix a bug: during setup, unable to chown the installation folder, if the current user does not have a self-named group
 
 ## v5.4.15 2022 August 1
 
diff --git a/setup/setup.sh b/setup/setup.sh
index 3d7ae6f80..4277ef61f 100755
--- a/setup/setup.sh
+++ b/setup/setup.sh
@@ -198,7 +198,7 @@ prepare_files()
   if [[ "$confirm" = "n" ]]; then exit 1; fi
 
   elevate_cmd mkdir -p "$FABMANAGER_PATH"
-  elevate_cmd chown -R "$(whoami):$(whoami)" "$FABMANAGER_PATH"
+  elevate_cmd chown -R "$(whoami)" "$FABMANAGER_PATH"
 
   # create folders before starting the containers, otherwise root will own them
   local folders=(accounting config elasticsearch/config exports imports invoices log payment_schedules plugins postgresql \