diff --git a/crates/consensus/auto-seal/src/task.rs b/crates/consensus/auto-seal/src/task.rs
index cbdab03466..5577c22ee4 100644
--- a/crates/consensus/auto-seal/src/task.rs
+++ b/crates/consensus/auto-seal/src/task.rs
@@ -131,7 +131,7 @@ where
                         receipts_root: Default::default(),
                         withdrawals_root: None,
                         logs_bloom: Default::default(),
-                        difficulty: Default::default(),
+                        difficulty: U256::from(1),
                         number: storage.best_block + 1,
                         gas_limit: 30_000_000,
                         gas_used: 0,