diff --git a/src/pl/dblink/ob_pl_dblink_guard.h b/src/pl/dblink/ob_pl_dblink_guard.h
index afa717922a..c0e67a0b77 100644
--- a/src/pl/dblink/ob_pl_dblink_guard.h
+++ b/src/pl/dblink/ob_pl_dblink_guard.h
@@ -56,6 +56,11 @@ public:
   }
   ~ObPLDbLinkGuard()
   {
+#ifdef OB_BUILD_ORACLE_PL
+    for (int64_t i = 0; i < dblink_infos_.count(); i++) {
+      dblink_infos_.at(i)->~ObPLDbLinkInfo();
+    }
+#endif
     reset();
   }
   void reset()