diff --git a/be/src/olap/segment_loader.h b/be/src/olap/segment_loader.h
index f2626f0cec..2ac5a63132 100644
--- a/be/src/olap/segment_loader.h
+++ b/be/src/olap/segment_loader.h
@@ -166,7 +166,7 @@ public:
         if (segments.empty()) {
             return nullptr;
         }
-        auto& last_segment = segments.back();
+        segment_v2::SegmentSharedPtr last_segment = segments.back();
         if (last_segment->healthy_status().ok()) {
             return nullptr;
         }