diff --git a/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL b/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
index 0f41f51046fbd167d78bd3bd27ec1defc8afd109..d9b9d94b154ea995baa0f878e69a5871bd4c2a30 100644
--- a/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
+++ b/src/proto_alpha/lib_protocol/TEZOS_PROTOCOL
@@ -77,8 +77,8 @@
         "Tx_rollup_errors_repr",
         "Tx_rollup_state_repr",
 
-	"Dal_slot_repr",
-	"Dal_endorsement_repr",
+        "Dal_slot_repr",
+        "Dal_endorsement_repr",
         "Dal_errors_repr",
 
         "Bond_id_repr",