diff --git a/mm2src/coins/nft/storage/wasm/wasm_storage.rs b/mm2src/coins/nft/storage/wasm/wasm_storage.rs
index 524df5e3f0..c05395ada8 100644
--- a/mm2src/coins/nft/storage/wasm/wasm_storage.rs
+++ b/mm2src/coins/nft/storage/wasm/wasm_storage.rs
@@ -17,6 +17,7 @@ use num_traits::ToPrimitive;
 use serde_json::{self as json, Value as Json};
 use std::collections::HashSet;
 use std::num::NonZeroUsize;
+use web_sys::console;
 
 const CHAIN_TOKEN_ADD_TOKEN_ID_INDEX: &str = "chain_token_add_token_id_index";
 const CHAIN_BLOCK_NUMBER_INDEX: &str = "chain_block_number_index";
@@ -1012,9 +1013,11 @@ impl TableSignature for NftTransferHistoryTable {
             table.create_multi_index(CHAIN_IMAGE_DOMAIN_INDEX, &["chain", "image_domain"], false)?;
             table.create_index("block_number", false)?;
             table.create_index("chain", false)?;
-        } else if old_version == 1 && new_version == 2 {
+        } else if new_version == 2 {
             // Migration from version 1 to version 2
 
+            console::log_1(&"Migrating from version 1 to version 2.".into());
+
             // Step 1: Create a temporary table to hold data with the old schema
             let temp_table_name = format!("{}_temp", Self::TABLE_NAME);
             let temp_table = upgrader.create_table(&temp_table_name)?;
@@ -1042,6 +1045,8 @@ impl TableSignature for NftTransferHistoryTable {
             // TODO copy data from old_store to temp_store
             copy_store_data_sync(&old_store.object_store, &temp_store.object_store)?;
 
+            console::log_1("Copied data from old store to temp store".into());
+
             // Step 3: Delete the old object store
             upgrader.delete_table(Self::TABLE_NAME)?;
 
diff --git a/mm2src/mm2_db/src/indexed_db/drivers/upgrader.rs b/mm2src/mm2_db/src/indexed_db/drivers/upgrader.rs
index feb4bbc9ca..b2bf2f65b3 100644
--- a/mm2src/mm2_db/src/indexed_db/drivers/upgrader.rs
+++ b/mm2src/mm2_db/src/indexed_db/drivers/upgrader.rs
@@ -238,8 +238,5 @@ pub fn copy_store_data_sync(
     // Prevent the closure from being dropped
     onsuccess_callback.forget();
 
-    // Note: We cannot block the function here to wait for completion.
-    // The transaction will remain open until all requests are completed.
-
     Ok(())
 }