diff --git a/src/share/schema/ob_schema_struct.cpp b/src/share/schema/ob_schema_struct.cpp
index 97cb061be6..cf009c4b94 100644
--- a/src/share/schema/ob_schema_struct.cpp
+++ b/src/share/schema/ob_schema_struct.cpp
@@ -10627,7 +10627,7 @@ bool ObHostnameStuct::is_ip_match(const common::ObString &client_ip, common::ObS
   }
 
   if (is_ip_valied) {
-    ret_bool = (client.as_subnet(mask) == host);
+    ret_bool = (client.as_subnet(mask) == host.as_subnet(mask));
   }
   return ret_bool;
 }