diff --git a/source/client/src/clientTmq.c b/source/client/src/clientTmq.c
index 50d1e78c895a88b16878f7c56f6237f28c16de27..4558056b3c06441baeaed45c927e2458aedf7651 100644
--- a/source/client/src/clientTmq.c
+++ b/source/client/src/clientTmq.c
@@ -1943,7 +1943,7 @@ TAOS_RES* tmq_consumer_poll(tmq_t* tmq, int64_t timeout) {
       return NULL;
     }
 
-    if (timeout != -1) {
+    if (timeout > 0) {
       int64_t currentTime = taosGetTimestampMs();
       int64_t elapsedTime = currentTime - startTime;
       if (elapsedTime > timeout) {