diff --git a/data/helpers.d/logrotate b/data/helpers.d/logrotate
index e4b354e03..a4548512d 100644
--- a/data/helpers.d/logrotate
+++ b/data/helpers.d/logrotate
@@ -97,7 +97,7 @@ EOF
     mkdir --parents $(dirname "$logfile")	# Create the log directory, if not exist
     cat ${app}-logrotate | $customtee /etc/logrotate.d/$app > /dev/null	# Append this config to the existing config file, or replace the whole config file (depending on $customtee)
 
-    ynh_user_exists "$app" || chown $app:$app "$logfile"
+    ynh_user_exists --username="$app" || chown $app:$app "$logfile"
     chmod o-rwx "$logfile"
 
 }