diff --git a/src/proto_alpha/lib_protocol/apply.ml b/src/proto_alpha/lib_protocol/apply.ml
index 7d4f268b2c9d1965e8c3fa108ac68239c1d68987..d42c765fe1fc2fdc8d4fa3e5f8e2c1375b97e12a 100644
--- a/src/proto_alpha/lib_protocol/apply.ml
+++ b/src/proto_alpha/lib_protocol/apply.ml
@@ -1868,7 +1868,8 @@ let apply_external_manager_operation_content :
         ~inclusion_proof
         ~message
       >>=? fun _ctxt ->
-      failwith "Sc_rolup_atomic_batch operation is not yet supported."
+      failwith
+        "Sc_rollup_execute_outbox_message operation is not yet supported."
   | Sc_rollup_recover_bond {sc_rollup} ->
       Sc_rollup.Stake_storage.withdraw_stake ctxt sc_rollup source
       >>=? fun (ctxt, balance_updates) ->
diff --git a/src/proto_alpha/lib_protocol/apply_results.ml b/src/proto_alpha/lib_protocol/apply_results.ml
index e24da912fc8ee8ba79bbee7c24bad30a960281c4..591e5ec2384796c46dc25a77229268154537a10a 100644
--- a/src/proto_alpha/lib_protocol/apply_results.ml
+++ b/src/proto_alpha/lib_protocol/apply_results.ml
@@ -2368,6 +2368,7 @@ let contents_and_result_encoding =
          make sc_rollup_publish_case;
          make sc_rollup_refute_case;
          make sc_rollup_timeout_case;
+         make sc_rollup_execute_outbox_message_case;
          make sc_rollup_recover_bond_case;
        ]
 
diff --git a/src/proto_alpha/lib_protocol/operation_repr.ml b/src/proto_alpha/lib_protocol/operation_repr.ml
index b0573d6302736916ac213970cbe9cfffb566ef6d..4e737928a4def8d3d44538d550c37672c5d86171 100644
--- a/src/proto_alpha/lib_protocol/operation_repr.ml
+++ b/src/proto_alpha/lib_protocol/operation_repr.ml
@@ -551,7 +551,7 @@ let sc_rollup_operation_refute_tag = sc_rollup_operation_tag_offset + 4
 
 let sc_rollup_operation_timeout_tag = sc_rollup_operation_tag_offset + 5
 
-let sc_rollup_operation_atomic_batch_tag = sc_rollup_operation_tag_offset + 6
+let sc_rollup_execute_outbox_message_tag = sc_rollup_operation_tag_offset + 6
 
 let sc_rollup_operation_recover_bond_tag = sc_rollup_operation_tag_offset + 7
 
@@ -1094,7 +1094,7 @@ module Encoding = struct
     let[@coq_axiom_with_reason "gadt"] sc_rollup_execute_outbox_message_case =
       MCase
         {
-          tag = sc_rollup_operation_atomic_batch_tag;
+          tag = sc_rollup_execute_outbox_message_tag;
           name = "sc_rollup_execute_outbox_message";
           encoding =
             obj6
@@ -1557,7 +1557,7 @@ module Encoding = struct
 
   let sc_rollup_execute_outbox_message_case =
     make_manager_case
-      sc_rollup_operation_atomic_batch_tag
+      sc_rollup_execute_outbox_message_tag
       Manager_operations.sc_rollup_execute_outbox_message_case
 
   let sc_rollup_recover_bond_case =