diff --git a/web/src/admin/applications/wizard/methods/oauth/ak-application-wizard-authentication-by-oauth.ts b/web/src/admin/applications/wizard/methods/oauth/ak-application-wizard-authentication-by-oauth.ts
index 44c71b0a3..62893a6af 100644
--- a/web/src/admin/applications/wizard/methods/oauth/ak-application-wizard-authentication-by-oauth.ts
+++ b/web/src/admin/applications/wizard/methods/oauth/ak-application-wizard-authentication-by-oauth.ts
@@ -114,8 +114,8 @@ export class ApplicationWizardAuthenticationByOauth extends BaseProviderPanel {
                         label=${msg("Client type")}
                         .value=${provider?.clientType}
                         required
-                        @change=${(ev: CustomEvent<ClientTypeEnum>) => {
-                            this.showClientSecret = ev.detail !== ClientTypeEnum.Public;
+                        @change=${(ev: CustomEvent<{ value: ClientTypeEnum }>) => {
+                            this.showClientSecret = ev.detail.value !== ClientTypeEnum.Public;
                         }}
                         .options=${clientTypeOptions}
                     >
diff --git a/web/src/admin/events/TransportForm.ts b/web/src/admin/events/TransportForm.ts
index 46fce43cb..1554d7007 100644
--- a/web/src/admin/events/TransportForm.ts
+++ b/web/src/admin/events/TransportForm.ts
@@ -78,8 +78,8 @@ export class TransportForm extends ModelForm<NotificationTransport, string> {
             </ak-form-element-horizontal>
             <ak-form-element-horizontal label=${msg("Mode")} ?required=${true} name="mode">
                 <ak-radio
-                    @change=${(ev: CustomEvent<NotificationTransportModeEnum>) => {
-                        this.onModeChange(ev.detail);
+                    @change=${(ev: CustomEvent<{ value: NotificationTransportModeEnum }>) => {
+                        this.onModeChange(ev.detail.value);
                     }}
                     .options=${[
                         {
diff --git a/web/src/admin/providers/oauth2/OAuth2ProviderForm.ts b/web/src/admin/providers/oauth2/OAuth2ProviderForm.ts
index 95bb9fdae..c98ae860f 100644
--- a/web/src/admin/providers/oauth2/OAuth2ProviderForm.ts
+++ b/web/src/admin/providers/oauth2/OAuth2ProviderForm.ts
@@ -210,8 +210,8 @@ export class OAuth2ProviderFormPage extends ModelForm<OAuth2Provider, number> {
                         label=${msg("Client type")}
                         .value=${provider?.clientType}
                         required
-                        @change=${(ev: CustomEvent<ClientTypeEnum>) => {
-                            this.showClientSecret = ev.detail !== ClientTypeEnum.Public;
+                        @change=${(ev: CustomEvent<{ value: ClientTypeEnum }>) => {
+                            this.showClientSecret = ev.detail.value !== ClientTypeEnum.Public;
                         }}
                         .options=${clientTypeOptions}
                     >