diff --git a/crates/executor/src/db/mod.rs b/crates/executor/src/db/mod.rs
index 782bffcd66..355b217883 100644
--- a/crates/executor/src/db/mod.rs
+++ b/crates/executor/src/db/mod.rs
@@ -174,10 +174,14 @@ where
     /// - `Ok(Some(TrieAccount))`: The [TrieAccount] of the account.
     /// - `Ok(None)`: If the account does not exist in the trie.
     /// - `Err(_)`: If the account could not be fetched.
-    pub fn get_trie_account(&mut self, address: &Address) -> TrieDBResult<Option<TrieAccount>> {
+    pub fn get_trie_account(
+        &mut self,
+        address: &Address,
+        block_number: u64,
+    ) -> TrieDBResult<Option<TrieAccount>> {
         // Send a hint to the host to fetch the account proof.
         self.hinter
-            .hint_account_proof(*address, self.parent_block_header.number)
+            .hint_account_proof(*address, block_number)
             .map_err(|e| TrieDBError::Provider(e.to_string()))?;
 
         // Fetch the account from the trie.
@@ -302,7 +306,9 @@ where
 
     fn basic(&mut self, address: Address) -> Result<Option<AccountInfo>, Self::Error> {
         // Fetch the account from the trie.
-        let Some(trie_account) = self.get_trie_account(&address)? else {
+        let Some(trie_account) =
+            self.get_trie_account(&address, self.parent_block_header.number)?
+        else {
             // If the account does not exist in the trie, return `Ok(None)`.
             return Ok(None);
         };
diff --git a/crates/executor/src/executor/mod.rs b/crates/executor/src/executor/mod.rs
index 9c46e3b44f..c58f5b6606 100644
--- a/crates/executor/src/executor/mod.rs
+++ b/crates/executor/src/executor/mod.rs
@@ -76,13 +76,16 @@ where
     }
 
     /// Fetches the L2 to L1 message passer account from the cache or underlying trie.
-    fn message_passer_account(db: &mut TrieDB<F, H>) -> Result<B256, TrieDBError> {
+    fn message_passer_account(
+        db: &mut TrieDB<F, H>,
+        block_number: u64,
+    ) -> Result<B256, TrieDBError> {
         match db.storage_roots().get(&L2_TO_L1_BRIDGE) {
             Some(storage_root) => {
                 storage_root.blinded_commitment().ok_or(TrieDBError::RootNotBlinded)
             }
             None => Ok(db
-                .get_trie_account(&L2_TO_L1_BRIDGE)?
+                .get_trie_account(&L2_TO_L1_BRIDGE, block_number)?
                 .ok_or(TrieDBError::MissingAccountInfo)?
                 .storage_root),
         }
@@ -339,12 +342,8 @@ where
 
         // If the Isthmus hardfork is active, the withdrawals root is the L2 to L1 message passer
         // account.
-        // TEMP: The go clients don't yet have this feature. Interop comes after Isthmus, but this
-        // feature is excluded from interop for now for early-stage testing purposes.
-        if self.config.is_isthmus_active(payload.payload_attributes.timestamp) &&
-            !self.config.is_interop_active(payload.payload_attributes.timestamp)
-        {
-            withdrawals_root = Some(Self::message_passer_account(state.database)?);
+        if self.config.is_isthmus_active(payload.payload_attributes.timestamp) {
+            withdrawals_root = Some(Self::message_passer_account(state.database, block_number)?);
         }
 
         // Compute logs bloom filter for the block.
@@ -445,7 +444,8 @@ where
     /// - `Ok(output_root)`: The computed output root.
     /// - `Err(_)`: If an error occurred while computing the output root.
     pub fn compute_output_root(&mut self) -> ExecutorResult<B256> {
-        let storage_root = Self::message_passer_account(&mut self.trie_db)?;
+        let parent_number = self.trie_db.parent_block_header().number;
+        let storage_root = Self::message_passer_account(&mut self.trie_db, parent_number)?;
         let parent_header = self.trie_db.parent_block_header();
 
         info!(
@@ -467,7 +467,7 @@ where
         info!(
             target: "client_executor",
             "Computed output root for block # {block_number} | Output root: {output_root}",
-            block_number = parent_header.number,
+            block_number = parent_number,
         );
 
         // Hash the output and return