diff --git a/src/share/object/ob_obj_cast.cpp b/src/share/object/ob_obj_cast.cpp
index 2577be24f2549a6fa0a0b4e4c531cc1481c08ecb..0a662a67445c4e2f97146d827fbe093055a7c4d3 100644
--- a/src/share/object/ob_obj_cast.cpp
+++ b/src/share/object/ob_obj_cast.cpp
@@ -2554,6 +2554,8 @@ static int number_year(
     } else if (in.get_number().is_negative()) {
       uint8_t value = 0;
       if (CAST_FAIL(ObTimeConverter::int_to_year(INT_MIN, value))) {
+      } else {
+        SET_RES_YEAR(out);
       }
     } else {
       ObObj from;