diff --git a/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php b/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
index bcfd5a0602b..7fc9a80cc60 100644
--- a/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
+++ b/lib/Cake/Test/Case/Model/Datasource/DboSourceTest.php
@@ -951,6 +951,9 @@ public function testFieldsCacheKeyWithDatasourceChange() {
  * @return void
  */
 	public function testFieldsCacheKeyWithSchemanameChange() {
+		if ($this->db instanceof Postgres || $this->db instanceof Sqlserver) {
+			$this->markTestSkipped('Cannot run this test with SqlServer or Postgres');
+		}
 		Cache::delete('method_cache', '_cake_core_');
 		DboSource::$methodCache = array();
 		$Article = ClassRegistry::init('Article');