diff --git a/src/Disks/IO/WriteBufferFromAzureBlobStorage.cpp b/src/Disks/IO/WriteBufferFromAzureBlobStorage.cpp
index 9432cdf9fef..fe64415191c 100644
--- a/src/Disks/IO/WriteBufferFromAzureBlobStorage.cpp
+++ b/src/Disks/IO/WriteBufferFromAzureBlobStorage.cpp
@@ -150,6 +150,7 @@ void WriteBufferFromAzureBlobStorage::finalizeImpl()
 
     if (!block_ids.empty())
     {
+        task_tracker->waitAll();
         auto block_blob_client = blob_container_client->GetBlockBlobClient(blob_path);
         execWithRetry([&](){ block_blob_client.CommitBlockList(block_ids); }, max_unexpected_write_error_retries);
         LOG_TRACE(log, "Committed {} blocks for blob `{}`", block_ids.size(), blob_path);