diff --git a/store/src/main/java/org/apache/rocketmq/store/index/IndexFile.java b/store/src/main/java/org/apache/rocketmq/store/index/IndexFile.java
index 3d76b73dc282f421700f2a1164a2b6ef002363c5..e513edf1114eadeaea60c863ceeca17a6950f197 100644
--- a/store/src/main/java/org/apache/rocketmq/store/index/IndexFile.java
+++ b/store/src/main/java/org/apache/rocketmq/store/index/IndexFile.java
@@ -134,7 +134,9 @@ public class IndexFile {
                     this.indexHeader.setBeginTimestamp(storeTimestamp);
                 }
 
-                this.indexHeader.incHashSlotCount();
+                if (invalidIndex == slotValue) {
+                    this.indexHeader.incHashSlotCount();
+                }
                 this.indexHeader.incIndexCount();
                 this.indexHeader.setEndPhyOffset(phyOffset);
                 this.indexHeader.setEndTimestamp(storeTimestamp);