diff --git a/src/proto_alpha/lib_parameters/default_parameters.ml b/src/proto_alpha/lib_parameters/default_parameters.ml
index 6bcadcc6fc35b5faba8c0c8b649728be4cb21962..c4a6977496cdbfa26214a2480dcdddff31ce2beb 100644
--- a/src/proto_alpha/lib_parameters/default_parameters.ml
+++ b/src/proto_alpha/lib_parameters/default_parameters.ml
@@ -230,7 +230,17 @@ let constants_mainnet =
           {
             raw_data = {blake2B = Raw_level.root};
             metadata = Raw_level.root;
-            dal_page = Raw_level.root;
+            dal_page =
+              (if default_dal.feature_enable then Raw_level.root
+              else
+                (* Deactivate the reveal if the dal is not enabled. *)
+                (* https://gitlab.com/tezos/tezos/-/issues/5968
+                   Encoding error with Raw_level
+
+                   We set the activation level to [pred max_int] to deactivate
+                   the feature. The [pred] is needed to not trigger an encoding
+                   exception with the value [Int32.int_min] (see tezt/tests/mockup.ml). *)
+                Raw_level.of_int32_exn Int32.(pred max_int));
           };
       };
     zk_rollup =
diff --git a/src/proto_alpha/lib_protocol/raw_context.ml b/src/proto_alpha/lib_protocol/raw_context.ml
index 0f24dac256a60a771614103453936808c3f48020..f3acf3ce588d324a8ad4b4b5656cf500d8f2d847 100644
--- a/src/proto_alpha/lib_protocol/raw_context.ml
+++ b/src/proto_alpha/lib_protocol/raw_context.ml
@@ -951,7 +951,26 @@ let prepare_first_block ~level ~timestamp ctxt =
         {
           raw_data = {blake2B = Raw_level_repr.root};
           metadata = Raw_level_repr.root;
-          dal_page = Raw_level_repr.root;
+          dal_page =
+            (* For the protocol activating the DAL one should replace
+               the expression below by
+               [Raw_level_repr.of_int32_exn (Int32.succ level)].
+
+               For a protocol for which the DAL is already activated
+               the expression below should be changed to
+               [c.sc_rollup.reveal_activation_level.dal_page]. *)
+            (if dal.feature_enable then
+             (* First level of the protocol with dal activated. *)
+             Raw_level_repr.of_int32_exn (Int32.succ level)
+            else
+              (* Deactivate the reveal if the dal is not enabled. *)
+              (* https://gitlab.com/tezos/tezos/-/issues/5968
+                 Encoding error with Raw_level
+
+                 We set the activation level to [pred max_int] to deactivate
+                 the feature. The [pred] is needed to not trigger an encoding
+                 exception with the value [Int32.int_min] (see tezt/tests/mockup.ml). *)
+              Raw_level_repr.of_int32_exn Int32.(pred max_int));
         }
       in
       let sc_rollup =
diff --git a/tezt/tests/expected/RPC_test.ml/Alpha- (mode client) RPC regression tests- misc_protocol.out b/tezt/tests/expected/RPC_test.ml/Alpha- (mode client) RPC regression tests- misc_protocol.out
index 417a3ecc4d552cec88db6e1179a23f7a068c2bc2..4b1254b5464a47eceef024934aca73859f90cacb 100644
--- a/tezt/tests/expected/RPC_test.ml/Alpha- (mode client) RPC regression tests- misc_protocol.out	
+++ b/tezt/tests/expected/RPC_test.ml/Alpha- (mode client) RPC regression tests- misc_protocol.out	
@@ -52,7 +52,7 @@
   "smart_rollup_max_number_of_cemented_commitments": 5,
   "smart_rollup_max_number_of_parallel_games": 32,
   "smart_rollup_reveal_activation_level":
-    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 0 },
+    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 2147483646 },
   "zk_rollup_enable": false, "zk_rollup_origination_size": 4000,
   "zk_rollup_min_pending_to_process": 10,
   "zk_rollup_max_ticket_payload_size": 2048,
diff --git a/tezt/tests/expected/RPC_test.ml/Alpha- (mode light) RPC regression tests- misc_protocol.out b/tezt/tests/expected/RPC_test.ml/Alpha- (mode light) RPC regression tests- misc_protocol.out
index 23444bb0085a43088b643c19b54eb417f3945e78..da9fed28e8303d5462c9b90f7d31587718aa5091 100644
--- a/tezt/tests/expected/RPC_test.ml/Alpha- (mode light) RPC regression tests- misc_protocol.out	
+++ b/tezt/tests/expected/RPC_test.ml/Alpha- (mode light) RPC regression tests- misc_protocol.out	
@@ -52,7 +52,7 @@
   "smart_rollup_max_number_of_cemented_commitments": 5,
   "smart_rollup_max_number_of_parallel_games": 32,
   "smart_rollup_reveal_activation_level":
-    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 0 },
+    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 2147483646 },
   "zk_rollup_enable": false, "zk_rollup_origination_size": 4000,
   "zk_rollup_min_pending_to_process": 10,
   "zk_rollup_max_ticket_payload_size": 2048,
diff --git a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy) RPC regression tests- misc_protocol.out b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy) RPC regression tests- misc_protocol.out
index 847a8dd3ce694f949be8bb37928ea045f748f7a5..31e7c1c12b82933716b0bb6df41355402c50891f 100644
--- a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy) RPC regression tests- misc_protocol.out	
+++ b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy) RPC regression tests- misc_protocol.out	
@@ -52,7 +52,7 @@
   "smart_rollup_max_number_of_cemented_commitments": 5,
   "smart_rollup_max_number_of_parallel_games": 32,
   "smart_rollup_reveal_activation_level":
-    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 0 },
+    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 2147483646 },
   "zk_rollup_enable": false, "zk_rollup_origination_size": 4000,
   "zk_rollup_min_pending_to_process": 10,
   "zk_rollup_max_ticket_payload_size": 2048,
diff --git a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_data_dir) RPC regression tests- misc_protocol.out b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_data_dir) RPC regression tests- misc_protocol.out
index ba03367b297aeae6e64999470a3cc2efade26708..6e1185a7d09b43c9220d6b852aac582c08dd13f3 100644
--- a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_data_dir) RPC regression tests- misc_protocol.out	
+++ b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_data_dir) RPC regression tests- misc_protocol.out	
@@ -52,7 +52,7 @@
   "smart_rollup_max_number_of_cemented_commitments": 5,
   "smart_rollup_max_number_of_parallel_games": 32,
   "smart_rollup_reveal_activation_level":
-    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 0 },
+    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 2147483646 },
   "zk_rollup_enable": false, "zk_rollup_origination_size": 4000,
   "zk_rollup_min_pending_to_process": 10,
   "zk_rollup_max_ticket_payload_size": 2048,
diff --git a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_rpc) RPC regression tests- misc_protocol.out b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_rpc) RPC regression tests- misc_protocol.out
index ba03367b297aeae6e64999470a3cc2efade26708..6e1185a7d09b43c9220d6b852aac582c08dd13f3 100644
--- a/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_rpc) RPC regression tests- misc_protocol.out	
+++ b/tezt/tests/expected/RPC_test.ml/Alpha- (mode proxy_server_rpc) RPC regression tests- misc_protocol.out	
@@ -52,7 +52,7 @@
   "smart_rollup_max_number_of_cemented_commitments": 5,
   "smart_rollup_max_number_of_parallel_games": 32,
   "smart_rollup_reveal_activation_level":
-    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 0 },
+    { "raw_data": { "Blake2B": 0 }, "metadata": 0, "dal_page": 2147483646 },
   "zk_rollup_enable": false, "zk_rollup_origination_size": 4000,
   "zk_rollup_min_pending_to_process": 10,
   "zk_rollup_max_ticket_payload_size": 2048,