diff --git a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
index cd7940e87d5..97833351d19 100644
--- a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
+++ b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
@@ -1543,7 +1543,11 @@ public long dispatchBehindBytes() {
     }
 
     public long flushBehindBytes() {
-        return this.commitLog.remainHowManyDataToCommit() + this.commitLog.remainHowManyDataToFlush();
+        if (this.messageStoreConfig.isTransientStorePoolEnable()) {
+            return this.commitLog.remainHowManyDataToCommit() + this.commitLog.remainHowManyDataToFlush();
+        } else {
+            return this.commitLog.remainHowManyDataToFlush();
+        }
     }
 
     @Override