diff --git a/internal/core/src/segcore/storagev2translator/GroupChunkTranslator.cpp b/internal/core/src/segcore/storagev2translator/GroupChunkTranslator.cpp
index 2f247c0aea..349625dc90 100644
--- a/internal/core/src/segcore/storagev2translator/GroupChunkTranslator.cpp
+++ b/internal/core/src/segcore/storagev2translator/GroupChunkTranslator.cpp
@@ -228,7 +228,7 @@ GroupChunkTranslator::load_group_chunk(
 
             auto file =
                 File::Open(filepath.string(), O_CREAT | O_TRUNC | O_RDWR);
-            auto chunk = create_chunk(field_meta, dim, file, 0, array_vec);
+            chunk = create_chunk(field_meta, dim, file, 0, array_vec);
             auto ok = unlink(filepath.c_str());
             AssertInfo(
                 ok == 0,