diff --git a/crates/consensus/src/config/minimal.rs b/crates/consensus/src/config/minimal.rs
index 68b9405..6fcc234 100644
--- a/crates/consensus/src/config/minimal.rs
+++ b/crates/consensus/src/config/minimal.rs
@@ -13,9 +13,13 @@ pub fn get_config() -> Config {
         fork_parameters: ForkParameters::new(
             Version([0, 0, 0, 1]),
             vec![
-                ForkParameter::new(Version([4, 0, 0, 1]), U64(u64::MAX)),
+                // deneb
+                ForkParameter::new(Version([4, 0, 0, 1]), U64(0)),
+                // capella
                 ForkParameter::new(Version([3, 0, 0, 1]), U64(0)),
+                // belatrix
                 ForkParameter::new(Version([2, 0, 0, 1]), U64(0)),
+                // altair
                 ForkParameter::new(Version([1, 0, 0, 1]), U64(0)),
             ],
         ),
diff --git a/crates/consensus/src/deneb.rs b/crates/consensus/src/deneb.rs
index 5254038..83dc294 100644
--- a/crates/consensus/src/deneb.rs
+++ b/crates/consensus/src/deneb.rs
@@ -366,6 +366,7 @@ pub fn gen_execution_payload_proof<
         Default::default(),
         Default::default(),
     ]);
+    assert_eq!(tree.leaves_len(), 16);
     Ok((
         H256(tree.root().unwrap()),
         tree.proof(&[9])