diff --git a/app/portainer/services/modal.service/prompt.ts b/app/portainer/services/modal.service/prompt.ts
index 89b1a8298..3521f7ae9 100644
--- a/app/portainer/services/modal.service/prompt.ts
+++ b/app/portainer/services/modal.service/prompt.ts
@@ -44,7 +44,7 @@ export function prompt(options: PromptOptions) {
     title: options.title,
     inputType: options.inputType,
     inputOptions: options.inputOptions,
-    buttons: confirmButtons(options.buttons),
+    buttons: options.buttons ? confirmButtons(options.buttons) : undefined,
     // casting is done because ts definition expects string=>any, but library code can emit different values, based on inputType
     callback: options.callback as (value: string) => void,
     value: options.value,
diff --git a/app/portainer/services/registryModalService.js b/app/portainer/services/registryModalService.js
index 04dbaa344..ad4793744 100644
--- a/app/portainer/services/registryModalService.js
+++ b/app/portainer/services/registryModalService.js
@@ -20,6 +20,8 @@ function ModalServiceFactory($q, ModalService, RegistryService) {
     const defaultValue = String(_.get(registryModel, 'Registry.Id', '0'));
 
     ModalService.selectRegistry({
+      title: 'Which registry do you want to use?',
+      inputType: 'select',
       inputOptions: options,
       value: defaultValue,
       callback: (registryId) => {