--- a/dom/presentation/PresentationService.cpp
+++ b/dom/presentation/PresentationService.cpp
@@ -637,17 +637,17 @@ PresentationService::StartSession(
                                   aCallback,
                                   aBuilderConstructor);
 
   if (aDeviceId.IsVoid()) {
     // Pop up a prompt and ask user to select a device.
     nsCOMPtr<nsIPresentationDevicePrompt> prompt =
       do_GetService(PRESENTATION_DEVICE_PROMPT_CONTRACTID);
     if (NS_WARN_IF(!prompt)) {
-      return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
+      return aCallback->NotifyError(NS_ERROR_DOM_INVALID_ACCESS_ERR);
     }
 
     nsresult rv = prompt->PromptDeviceSelection(request);
     if (NS_WARN_IF(NS_FAILED(rv))) {
       return aCallback->NotifyError(NS_ERROR_DOM_OPERATION_ERR);
     }
 
     return NS_OK;

--- a/testing/web-platform/meta/presentation-api/controlling-ua/startNewPresentation_error.html.ini
+++ b/testing/web-platform/meta/presentation-api/controlling-ua/startNewPresentation_error.html.ini
@@ -1,3 +1,6 @@
 [startNewPresentation_error.html]
   type: testharness
-  expected: ERROR
+  prefs: [dom.presentation.enabled: true,
+          dom.presentation.controller.enabled: true,
+          dom.presentation.discovery.enabled: true,
+          dom.presentation.device.name: "Firefox"]