diff --git a/cmd/devp2p/internal/xcbtest/suite.go b/cmd/devp2p/internal/xcbtest/suite.go
index bce2397e5..ff331263e 100644
--- a/cmd/devp2p/internal/xcbtest/suite.go
+++ b/cmd/devp2p/internal/xcbtest/suite.go
@@ -61,7 +61,7 @@ func NewSuite(dest *enode.Node, chainfile string, genesisfile string) *Suite {
 	}
 	return &Suite{
 		Dest:      dest,
-		chain:     chain.Shorten(11),
+		chain:     chain.Shorten(10),
 		fullChain: chain,
 	}
 }
diff --git a/cmd/devp2p/internal/xcbtest/testdata/chain.rlp b/cmd/devp2p/internal/xcbtest/testdata/chain.rlp
index 5522d2e3b..43200d041 100755
Binary files a/cmd/devp2p/internal/xcbtest/testdata/chain.rlp and b/cmd/devp2p/internal/xcbtest/testdata/chain.rlp differ
diff --git a/cmd/devp2p/internal/xcbtest/testdata/halfchain.rlp b/cmd/devp2p/internal/xcbtest/testdata/halfchain.rlp
index 1bb7d08f0..d541b4b53 100755
Binary files a/cmd/devp2p/internal/xcbtest/testdata/halfchain.rlp and b/cmd/devp2p/internal/xcbtest/testdata/halfchain.rlp differ