diff --git a/lib/core/src/Cardano/Wallet/Api.hs b/lib/core/src/Cardano/Wallet/Api.hs
index cb3fb3e7b72..fa677ceb988 100644
--- a/lib/core/src/Cardano/Wallet/Api.hs
+++ b/lib/core/src/Cardano/Wallet/Api.hs
@@ -104,7 +104,6 @@ import Servant.API
     , NoContent
     , OctetStream
     , PostAccepted
-    , PostNoContent
     , Put
     , PutNoContent
     , QueryParam
@@ -125,10 +124,9 @@ type CompatibilityApi t =
     :<|> GetByronWallet
     :<|> GetByronWalletMigrationInfo
     :<|> ListByronWallets
-    :<|> MigrateByronWallet
+    :<|> MigrateByronWallet t
     :<|> PostByronWallet
 
-
 {-------------------------------------------------------------------------------
                                   Addresses
 
@@ -293,13 +291,13 @@ type ListByronWallets = "byron"
     :> Get '[JSON] [ApiByronWallet]
 
 -- | https://input-output-hk.github.io/cardano-wallet/api/#operation/migrateByronWallet
-type MigrateByronWallet = "byron"
+type MigrateByronWallet t = "byron"
     :> "wallets"
     :> Capture "sourceWalletId" (ApiT WalletId)
     :> "migrate"
     :> Capture "targetWalletId" (ApiT WalletId)
     :> ReqBody '[JSON] ApiMigrateByronWalletData
-    :> PostNoContent '[Any] NoContent
+    :> PostAccepted '[JSON] [ApiTransaction t]
 
 -- | https://input-output-hk.github.io/cardano-wallet/api/#operation/postByronWallet
 type PostByronWallet = "byron"
diff --git a/lib/core/src/Cardano/Wallet/Api/Server.hs b/lib/core/src/Cardano/Wallet/Api/Server.hs
index 30a4ebfe9e5..a1a7b5ab770 100644
--- a/lib/core/src/Cardano/Wallet/Api/Server.hs
+++ b/lib/core/src/Cardano/Wallet/Api/Server.hs
@@ -764,7 +764,7 @@ migrateByronWallet
     -> ApiT WalletId
        -- ^ Target wallet (new-style)
     -> ApiMigrateByronWalletData
-    -> Handler NoContent
+    -> Handler [ApiTransaction t]
 migrateByronWallet _rndCtx _seqCtx _sourceWid _targetWid _migrateData =
     throwError err501
 
diff --git a/specifications/api/swagger.yaml b/specifications/api/swagger.yaml
index 412000a6c6d..8a8157c5af4 100644
--- a/specifications/api/swagger.yaml
+++ b/specifications/api/swagger.yaml
@@ -821,8 +821,11 @@ x-responsesMigrateByronWallet: &responsesMigrateByronWallet
   <<: *responsesErr404
   <<: *responsesErr405
   <<: *responsesErr406
-  204:
-    description: No Content
+  200:
+    description: Ok
+    schema:
+      type: array
+      items: *ApiTransaction
 
 x-responsesDeleteWallet: &responsesDeleteWallet
   <<: *responsesErr404