diff --git a/backend/src/routes.ts b/backend/src/routes.ts
index f2e7550e9..cf28dd71d 100644
--- a/backend/src/routes.ts
+++ b/backend/src/routes.ts
@@ -780,7 +780,7 @@ class Routes {
         try {
           const transaction = await transactionUtils.$getTransactionExtended(txIds[i], true, true);
           transactions.push(transaction);
-          loadingIndicators.setProgress('blocktxs-' + req.params.hash, (i + 1) / endIndex * 100);
+          loadingIndicators.setProgress('blocktxs-' + req.params.hash, (i - startingIndex + 1) / (endIndex - startingIndex) * 100);
         } catch (e) {
           logger.debug('getBlockTransactions error: ' + (e instanceof Error ? e.message : e));
         }