diff --git a/crates/rpc-types-engine/src/payload.rs b/crates/rpc-types-engine/src/payload.rs
index 82269f3a378..d79701657be 100644
--- a/crates/rpc-types-engine/src/payload.rs
+++ b/crates/rpc-types-engine/src/payload.rs
@@ -813,6 +813,9 @@ pub enum PayloadError {
     /// cancun fields missing in post-cancun payload.
     #[error("cancun fields missing in post-cancun payload")]
     PostCancunWithoutCancunFields,
+    /// blob transactions present in pre-prague payload.
+    #[error("eip 7702 transactions present in pre-prague payload")]
+    PrePragueBlockWithEip7702Transactions,
 
     /// Invalid payload block hash.
     #[error("block hash mismatch: want {consensus}, got {execution}")]