diff --git a/date_api/date_api_sql.inc b/date_api/date_api_sql.inc
index a95ca4e..c937b05 100644
--- a/date_api/date_api_sql.inc
+++ b/date_api/date_api_sql.inc
@@ -203,7 +203,7 @@ class date_sql_handler {
       case 'mysql':
         switch ($this->date_type) {
           case DATE_UNIX:
-            $field = "FROM_UNIXTIME($field)";
+            $field = "DATE_ADD(FROM_UNIXTIME(0), INTERVAL $field SECOND)";
             break;

           case DATE_ISO: