diff --git a/dbms/src/Storages/MergeTree/IMergeTreeDataPart.cpp b/dbms/src/Storages/MergeTree/IMergeTreeDataPart.cpp
index ac1df5c9ff8..79e4de3c9b0 100644
--- a/dbms/src/Storages/MergeTree/IMergeTreeDataPart.cpp
+++ b/dbms/src/Storages/MergeTree/IMergeTreeDataPart.cpp
@@ -406,8 +406,8 @@ void IMergeTreeDataPart::loadColumnsChecksumsIndexes(bool require_columns_checks
 
     loadColumns(require_columns_checksums);
     loadChecksums(require_columns_checksums);
-    calculateColumnsSizesOnDisk();
     loadIndexGranularity();
+    calculateColumnsSizesOnDisk();
     loadIndex();     /// Must be called after loadIndexGranularity as it uses the value of `index_granularity`
     loadRowsCount(); /// Must be called after loadIndex() as it uses the value of `index_granularity`.
     loadPartitionAndMinMaxIndex();