diff --git a/session_insert.go b/session_insert.go
index bcd52941..e733e06e 100644
--- a/session_insert.go
+++ b/session_insert.go
@@ -503,7 +503,7 @@ func (session *Session) genInsertColumns(bean interface{}) ([]string, []interfac
 				if col.SQLType.IsNumeric() {
 					args = append(args, 0)
 				} else {
-					args = append(args, time.Time{})
+					args = append(args, time.Time{}.Format("2006-01-02 15:04:05"))
 				}
 			} else {
 				args = append(args, nil)