diff --git a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
index 322e46ee78..4c0053e302 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
@@ -451,9 +451,8 @@ static int32_t loadSttStatisticsBlockData(SSttFileReader *pSttFileReader, SSttBl
           }
 
           i += 1;
+          ASSERT(taosArrayGetSize(pBlockLoadInfo->info.pLastKey) == taosArrayGetSize(pBlockLoadInfo->info.pFirstTs));
         }
-
-        ASSERT(taosArrayGetSize(pBlockLoadInfo->info.pLastKey) == taosArrayGetSize(pBlockLoadInfo->info.pFirstTs));
       }
     }
   }