diff --git a/tests/ModelTest.php b/tests/ModelTest.php
index 45e58d9..163fef6 100644
--- a/tests/ModelTest.php
+++ b/tests/ModelTest.php
@@ -213,8 +213,8 @@ public function testDatabaseErrorsOnInsert()
         $userModel->with('profile')->useTransactions()->insert($user);
 
         $this->assertArrayHasKey('database_error', $userModel->errors());
-        $this->assertSame(
-            "Duplicate entry 'Test User 1' for key 'db_users.username'",
+        $this->assertMatchesRegularExpression(
+            "/Duplicate entry 'Test User 1' for key '(db_users.username|username)'/",
             $userModel->errors()['database_error'],
         );