diff --git a/lib/model/shopOrder.model.php b/lib/model/shopOrder.model.php
index 10020b1d6..26837ad3e 100644
--- a/lib/model/shopOrder.model.php
+++ b/lib/model/shopOrder.model.php
@@ -778,7 +778,7 @@ public function getMinDate()
         }
         $sql = "SELECT MIN(create_datetime)
         FROM shop_order
-        WHERE create_datetime > '0000-00-00 00:00:00'";
+        WHERE create_datetime > '1970-01-01 00:00:00'";
         $result = $this->query($sql)->fetchField();
         if ($result) {
             $cache->set($result);