diff --git a/app/models/Data/Base.php b/app/models/Data/Base.php
index 2223d4b..59a92be 100644
--- a/app/models/Data/Base.php
+++ b/app/models/Data/Base.php
@@ -6,4 +6,21 @@ use Phalcon\Mvc\Model;
 
 class Base extends Model
 {
+    /**
+     * {@inheritdoc}
+     *
+     * Phalcon throws an exception if no valid snapshot data is present.
+     *
+     * We override this behaviour by treating no
+     * snapshot data (new row) as changed.
+     *
+     * @param string|array $fieldName
+     * @param boolean $allFields
+     * @return bool
+     */
+    public function hasChanged($fieldName = null, $allFields = false)
+    {
+        return $this->hasSnapshotData() === false
+            || parent::hasChanged($fieldName, $allFields);
+    }
 }