diff --git a/src/main/kotlin/id/walt/issuer/backend/IssuerController.kt b/src/main/kotlin/id/walt/issuer/backend/IssuerController.kt
index 0e62c7d1..db104690 100644
--- a/src/main/kotlin/id/walt/issuer/backend/IssuerController.kt
+++ b/src/main/kotlin/id/walt/issuer/backend/IssuerController.kt
@@ -222,7 +222,7 @@ object IssuerController {
                             .header<String>("Authorization")
                             .pathParam<String>("tenantId") { it.example(TenantId.DEFAULT_TENANT) }
                             .body<CredentialRequest>()
-                            .json<CredentialResponse>("200"),
+                            .json<String>("200"),
                         IssuerController::credential
                     ))
                 }
diff --git a/src/main/kotlin/id/walt/webwallet/backend/wallet/WalletController.kt b/src/main/kotlin/id/walt/webwallet/backend/wallet/WalletController.kt
index 14d3810e..1cb1825e 100644
--- a/src/main/kotlin/id/walt/webwallet/backend/wallet/WalletController.kt
+++ b/src/main/kotlin/id/walt/webwallet/backend/wallet/WalletController.kt
@@ -214,7 +214,7 @@ object WalletController {
                                 .operationId("issuanceSessionInfo")
                         }
                             .queryParam<String>("sessionId")
-                            .json<CredentialIssuanceSession>("200"),
+                            .json<String>("200"),
                         WalletController::getIssuanceSessionInfo
                     ), UserRole.AUTHORIZED)
                     post("startIssuerInitiatedIssuance", documented(