diff --git a/be/src/olap/lru_cache.h b/be/src/olap/lru_cache.h
index 4a9d45b07f..58c877bbe3 100644
--- a/be/src/olap/lru_cache.h
+++ b/be/src/olap/lru_cache.h
@@ -254,8 +254,8 @@ struct LRUHandle {
     uint32_t hash; // Hash of key(); used for fast sharding and comparisons
     CachePriority priority = CachePriority::NORMAL;
     MemTrackerLimiter* mem_tracker;
-    char key_data[1]; // Beginning of key
     LRUCacheType type;
+    char key_data[1]; // Beginning of key
 
     CacheKey key() const {
         // For cheaper lookups, we allow a temporary Handle object