diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index 2cabcbe5f239ee51260e2d09d80cc7f914bf0eba..a0d310c07fe3e76eac6e11cce33dc47e5fa24eb1 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -561,7 +561,7 @@ int32_t tscToSQLCmd(SSqlObj* pSql, struct SSqlInfo* pInfo) {
         return invalidSqlErrMsg(tscGetErrorMsgPayload(pCmd), msg);
       }
 
-      int32_t numOfToken = taosArrayGetSize(pMiscInfo->a);
+      int32_t numOfToken = (int32_t) taosArrayGetSize(pMiscInfo->a);
       SStrToken* t = taosArrayGet(pMiscInfo->a, 0);
       SStrToken* t1 = taosArrayGet(pMiscInfo->a, 1);