diff --git a/crates/optimism/primitives/src/transaction/signed.rs b/crates/optimism/primitives/src/transaction/signed.rs
index 243667c90c4f..ee72c65eb5ec 100644
--- a/crates/optimism/primitives/src/transaction/signed.rs
+++ b/crates/optimism/primitives/src/transaction/signed.rs
@@ -405,7 +405,7 @@ impl Transaction for OpTransactionSigned {
 
 impl Typed2718 for OpTransactionSigned {
     fn ty(&self) -> u8 {
-        self.tx_type() as u8
+        self.deref().ty()
     }
 }