diff --git a/crates/lean_vm/src/tables/poseidon_16/mod.rs b/crates/lean_vm/src/tables/poseidon_16/mod.rs
index 9b426bc1..8c6a5580 100644
--- a/crates/lean_vm/src/tables/poseidon_16/mod.rs
+++ b/crates/lean_vm/src/tables/poseidon_16/mod.rs
@@ -156,7 +156,7 @@ impl<const BUS: bool> Air for Poseidon16Precompile<BUS> {
         0
     }
     fn degree_air(&self) -> usize {
-        10
+        if BUS { 10 } else { 9 }
     }
     fn down_column_indexes_f(&self) -> Vec<usize> {
         vec![]