diff --git a/app/routes/users.py b/app/routes/users.py
index eba265c..37f071d 100644
--- a/app/routes/users.py
+++ b/app/routes/users.py
@@ -310,17 +310,17 @@ def settings_form(username):
 def set_avatar(username):
     user = get_active_user()
     if user.is_guest():
-        flash('You must be logged in to perform this action.', InfoboxKind.ERROR)
-        return redirect(url_for('.settings', user.username))
+        flash('You are a guest. Your account must be confirmed by a moderator to perform this action.', InfoboxKind.ERROR)
+        return redirect(url_for('.settings', username=user.username))
     if 'avatar' not in request.files:
         flash('Avatar missing.', InfoboxKind.ERROR)
-        return redirect(url_for('.settings', user.username))
+        return redirect(url_for('.settings', username=user.username))
 
     file = request.files['avatar']
 
     if file.filename == '':
         flash('Avatar missing.', InfoboxKind.ERROR)
-        return redirect(url_for('.settings', user.username))
+        return redirect(url_for('.settings', username=user.username))
 
     file_bytes = file.read()
 
@@ -345,7 +345,7 @@ def set_avatar(username):
         return redirect(url_for('.settings', username=user.username))
     else:
         flash('Something went wrong. Please try again later.', InfoboxKind.WARN)
-        return redirect(url_for('.settings', user.username))
+        return redirect(url_for('.settings', username=user.username))
 
 
 @bp.post('/<username>/change_password')