diff --git a/chain/consensus/filcns/filecoin.go b/chain/consensus/filcns/filecoin.go
index be7628b4f..0adb79191 100644
--- a/chain/consensus/filcns/filecoin.go
+++ b/chain/consensus/filcns/filecoin.go
@@ -182,7 +182,7 @@ func (filec *FilecoinEC) ValidateBlock(ctx context.Context, b *types.FullBlock)
 				}
 			}
 
-			return xerrors.Errorf("parent state root did not match computed state (%s != %s)", stateroot, h.ParentStateRoot)
+			return xerrors.Errorf("parent state root did not match computed state (%s != %s)", h.ParentStateRoot, stateroot)
 		}
 
 		if precp != h.ParentMessageReceipts {