diff --git a/app/assets/stylesheets/_application.scss b/app/assets/stylesheets/_application.scss
index a5b4f6e62..d2c61e8dc 100644
--- a/app/assets/stylesheets/_application.scss
+++ b/app/assets/stylesheets/_application.scss
@@ -104,3 +104,6 @@
 
 // settings
 @import 'user_applications';
+
+// API
+@import "openid_connect_error_page";
diff --git a/app/assets/stylesheets/openid_connect_error_page.scss b/app/assets/stylesheets/openid_connect_error_page.scss
new file mode 100644
index 000000000..ccb566a5b
--- /dev/null
+++ b/app/assets/stylesheets/openid_connect_error_page.scss
@@ -0,0 +1,7 @@
+.api-error {
+  margin-top: 20px;
+  box-shadow: $card-shadow;
+  background-color: $light-grey;
+
+  h4 { text-align: center; }
+}
diff --git a/app/controllers/api/openid_connect/authorizations_controller.rb b/app/controllers/api/openid_connect/authorizations_controller.rb
index fcab40d12..28f1a702c 100644
--- a/app/controllers/api/openid_connect/authorizations_controller.rb
+++ b/app/controllers/api/openid_connect/authorizations_controller.rb
@@ -110,8 +110,7 @@ module Api
           if auth
             process_authorization_consent("true")
           else
-            handle_params_error("interaction_required",
-                                "The Authentication Request cannot be completed without end-user interaction")
+            render_error "The Authentication Request cannot be completed without end-user interaction"
           end
         else
           handle_params_error("invalid_request",
@@ -219,12 +218,19 @@ module Api
 
       def auth_user_unless_prompt_none!
         if params[:prompt] == "none" && !user_signed_in?
-          handle_params_error("login_required",
-                              "User must already be logged in when 'prompt' is 'none'")
+          render_error "User must be first logged in when `prompt` is `none`"
+          # render json: {error:       "login_required",
+          #               description: "User must be first logged in when `prompt` is `none`"}
         else
           authenticate_user!
         end
       end
+
+      def render_error(error_description)
+        @error_description = error_description
+        render "api/openid_connect/error/error",
+               layout: request.format == :mobile ? "application" : "with_header_with_footer"
+      end
     end
   end
 end
diff --git a/app/views/api/openid_connect/error/_error.html.haml b/app/views/api/openid_connect/error/_error.html.haml
new file mode 100644
index 000000000..d9543bac4
--- /dev/null
+++ b/app/views/api/openid_connect/error/_error.html.haml
@@ -0,0 +1,6 @@
+.container-fluid
+  .row
+    .api-error.col-sm-6.col-sm-offset-3
+      %h4
+        %b= t("api.openid_connect.error_page.title")
+      %div= @error_description
diff --git a/app/views/api/openid_connect/error/error.html.haml b/app/views/api/openid_connect/error/error.html.haml
new file mode 100644
index 000000000..a9b15dbd0
--- /dev/null
+++ b/app/views/api/openid_connect/error/error.html.haml
@@ -0,0 +1 @@
+= render partial: "api/openid_connect/error/error"
diff --git a/app/views/api/openid_connect/error/error.mobile.haml b/app/views/api/openid_connect/error/error.mobile.haml
new file mode 100644
index 000000000..a9b15dbd0
--- /dev/null
+++ b/app/views/api/openid_connect/error/error.mobile.haml
@@ -0,0 +1 @@
+= render partial: "api/openid_connect/error/error"
diff --git a/config/locales/diaspora/en.yml b/config/locales/diaspora/en.yml
index 62e8d9547..b6dee2b3f 100644
--- a/config/locales/diaspora/en.yml
+++ b/config/locales/diaspora/en.yml
@@ -917,6 +917,8 @@ en:
         write:
           name: "send posts, conversations and reactions"
           description: "This allows the application to send new posts, write conversations, and send reactions"
+      error_page:
+        title: "Oh! Something went wrong :("
 
   people:
     zero: "No people"