diff --git a/src/client/src/tscServer.c b/src/client/src/tscServer.c
index bcdfdd792a83f62a9bdbddf81b9431e89b4c2348..bfb72d99db72aaa3f708098da613d726ccfb0bc1 100644
--- a/src/client/src/tscServer.c
+++ b/src/client/src/tscServer.c
@@ -2351,8 +2351,8 @@ int32_t tscGetTableMeta(SSqlObj *pSql, STableMetaInfo *pTableMetaInfo) {
 
   char name[TSDB_TABLE_FNAME_LEN] = {0};
   tNameExtractFullName(&pTableMetaInfo->name, name);
-  int32_t len = strlen(name);
 
+  size_t len = strlen(name);
   taosHashGetClone(tscTableMetaInfo, name, len, NULL, pTableMetaInfo->pTableMeta, -1);
 
   // TODO resize the tableMeta