diff --git a/crates/op-rbuilder/src/primitives/bundle.rs b/crates/op-rbuilder/src/primitives/bundle.rs
index 89c530716..c6ed24164 100644
--- a/crates/op-rbuilder/src/primitives/bundle.rs
+++ b/crates/op-rbuilder/src/primitives/bundle.rs
@@ -1,4 +1,4 @@
-use alloy_primitives::Bytes;
+use alloy_primitives::{Bytes, B256};
 use alloy_rpc_types_eth::erc4337::TransactionConditional;
 use serde::{Deserialize, Serialize};
 
@@ -24,3 +24,9 @@ impl Bundle {
         }
     }
 }
+
+#[derive(Serialize, Deserialize, Debug, Clone)]
+pub struct BundleResult {
+    #[serde(rename = "bundleHash")]
+    pub bundle_hash: B256,
+}
diff --git a/crates/op-rbuilder/src/revert_protection.rs b/crates/op-rbuilder/src/revert_protection.rs
index 7f6f42e5c..17ab73682 100644
--- a/crates/op-rbuilder/src/revert_protection.rs
+++ b/crates/op-rbuilder/src/revert_protection.rs
@@ -1,8 +1,7 @@
 use crate::{
-    primitives::bundle::{Bundle, MAX_BLOCK_RANGE_BLOCKS},
+    primitives::bundle::{Bundle, BundleResult, MAX_BLOCK_RANGE_BLOCKS},
     tx::{FBPooledTransaction, MaybeRevertingTransaction},
 };
-use alloy_primitives::B256;
 use jsonrpsee::{
     core::{async_trait, RpcResult},
     proc_macros::rpc,
@@ -17,7 +16,7 @@ use reth_transaction_pool::{PoolTransaction, TransactionOrigin, TransactionPool}
 #[cfg_attr(test, rpc(server, client, namespace = "eth"))]
 pub trait EthApiOverride {
     #[method(name = "sendBundle")]
-    async fn send_bundle(&self, tx: Bundle) -> RpcResult<B256>;
+    async fn send_bundle(&self, tx: Bundle) -> RpcResult<BundleResult>;
 }
 
 pub struct RevertProtectionExt<Pool, Provider> {
@@ -37,7 +36,7 @@ where
     Pool: TransactionPool<Transaction = FBPooledTransaction> + Clone + 'static,
     Provider: StateProviderFactory + Send + Sync + Clone + 'static,
 {
-    async fn send_bundle(&self, mut bundle: Bundle) -> RpcResult<B256> {
+    async fn send_bundle(&self, mut bundle: Bundle) -> RpcResult<BundleResult> {
         let last_block_number = self
             .provider
             .best_block_number()
@@ -92,6 +91,7 @@ where
             .await
             .map_err(EthApiError::from)?;
 
-        Ok(hash)
+        let result = BundleResult { bundle_hash: hash };
+        Ok(result)
     }
 }
diff --git a/crates/op-rbuilder/src/tests/framework/txs.rs b/crates/op-rbuilder/src/tests/framework/txs.rs
index b4049673f..ce06ef850 100644
--- a/crates/op-rbuilder/src/tests/framework/txs.rs
+++ b/crates/op-rbuilder/src/tests/framework/txs.rs
@@ -1,4 +1,7 @@
-use crate::{primitives::bundle::Bundle, tx_signer::Signer};
+use crate::{
+    primitives::bundle::{Bundle, BundleResult},
+    tx_signer::Signer,
+};
 use alloy_consensus::TxEip1559;
 use alloy_eips::{eip2718::Encodable2718, BlockNumberOrTag};
 use alloy_primitives::{hex, Bytes};
@@ -154,14 +157,14 @@ impl TransactionBuilder {
                 block_number_max: bundle_opts.block_number_max,
             };
 
-            let tx_hash = provider
+            let result: BundleResult = provider
                 .client()
                 .request("eth_sendBundle", (bundle,))
                 .await?;
 
             return Ok(PendingTransactionBuilder::new(
                 provider.root().clone(),
-                tx_hash,
+                result.bundle_hash,
             ));
         }