diff --git a/packages/node/src/indexer/apiPromise.connection.ts b/packages/node/src/indexer/apiPromise.connection.ts
index 59cd4dd29c..577cccbe84 100644
--- a/packages/node/src/indexer/apiPromise.connection.ts
+++ b/packages/node/src/indexer/apiPromise.connection.ts
@@ -99,7 +99,7 @@ export class ApiPromiseConnection
     const blocks = await this.fetchBlocksBatches(
       this.unsafeApi,
       heights,
-      // overallSpecVer,
+      overallSpecVer,
     );
     return blocks;
   }