diff --git a/octoprint/server.py b/octoprint/server.py
index 3a6249a..1f3831c 100644
--- a/octoprint/server.py
+++ b/octoprint/server.py
@@ -585,7 +585,7 @@ def login():
 
 		user = userManager.findUser(username)
 		if user is not None:
-			if user.check_password(users.UserManager.createPasswordHash(password)):
+			if user.check_password(userManager.createPasswordHash(password)):
 				login_user(user, remember=remember)
 				identity_changed.send(current_app._get_current_object(), identity=Identity(user.get_id()))
 				return jsonify(user.asDict())