diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 70620de329ca98328ccbf06dd73b65e87e21cb8d..ecf7d56168c3515a178eb4041c9dff88b789ed96 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -1342,7 +1342,7 @@ bool validateOneTags(SSqlCmd* pCmd, TAOS_FIELD* pTagField) {
     return false;
   }
 
-  if (pTagField->type < TSDB_DATA_TYPE_BOOL && pTagField->type > TSDB_DATA_TYPE_NCHAR) {
+  if ((pTagField->type < TSDB_DATA_TYPE_BOOL) || (pTagField->type > TSDB_DATA_TYPE_NCHAR)) {
     invalidSqlErrMsg(pCmd, msg6);
     return false;
   }