diff --git a/eth/fetcher/block_fetcher.go b/eth/fetcher/block_fetcher.go
index 36028c77e8..1831b756a3 100644
--- a/eth/fetcher/block_fetcher.go
+++ b/eth/fetcher/block_fetcher.go
@@ -571,7 +571,7 @@ func (f *BlockFetcher) loop() {
 					case res := <-resCh:
 						res.Done <- nil
 						// Ignoring withdrawals here, since the block fetcher is not used post-merge.
-						txs, uncles, _ := res.Res.(*eth.BlockBodiesPacket).Unpack()
+						txs, uncles, _ := res.Res.(*eth.BlockBodiesResponse).Unpack()
 						f.FilterBodies(peer, txs, uncles, time.Now(), announcedAt)
 
 					case <-timeout.C: