diff --git a/utils/model.js b/utils/model.js
index b4703d6..aa1ea09 100644
--- a/utils/model.js
+++ b/utils/model.js
@@ -185,7 +185,7 @@ module.exports.PasswordField = class extends module.exports.BaseField {
 }
 
 module.exports.PasswordField.testSync = function(password, hash) {
-    return bc.compareSync(password, hash);
+    return password === undefined ? false : bc.compareSync(password, hash);
 }