diff --git a/src/proto_alpha/lib_protocol/sc_rollup_wasm.ml b/src/proto_alpha/lib_protocol/sc_rollup_wasm.ml
index eb7888be9ccdae276ee2ba23a5e029bd7a38e4f6..bf20e218d3423ed389a76834386479f259a2e098 100644
--- a/src/proto_alpha/lib_protocol/sc_rollup_wasm.ml
+++ b/src/proto_alpha/lib_protocol/sc_rollup_wasm.ml
@@ -177,10 +177,13 @@ module V2_0_0 = struct
 
     open Monad
 
-    let initial_state ctxt _boot_sector =
+    let initial_state ctxt boot_sector =
       let open Lwt_syntax in
       let state = Tree.empty ctxt in
       let* state = Tree.add state ["wasm-version"] (Bytes.of_string "2.0.0") in
+      let* state =
+        Tree.add state ["boot-sector"] (Bytes.of_string boot_sector)
+      in
       Lwt.return state
 
     let state_hash state =