diff --git a/ui/src/Api.elm b/ui/src/Api.elm
index 6bd5ee9..058552d 100644
--- a/ui/src/Api.elm
+++ b/ui/src/Api.elm
@@ -40,7 +40,7 @@ apiV1Url elements =
 -}
 serveUrl : List String -> String
 serveUrl elements =
-    Url.Builder.absolute ([ "serve" ] ++ elements) []
+    Url.Builder.absolute ("serve" :: elements) []
 
 
 deleteMessage : HttpResult msg -> String -> String -> Cmd msg
diff --git a/ui/src/Layout.elm b/ui/src/Layout.elm
index 4ca7052..f1b220c 100644
--- a/ui/src/Layout.elm
+++ b/ui/src/Layout.elm
@@ -166,7 +166,7 @@ frame { model, session, activePage, activeMailbox, modal, content } =
             ]
         , div [ class "navbar-bg" ] [ text "" ]
         , frameModal modal
-        , div [ class "page" ] ([ errorFlash model session.flash ] ++ content)
+        , div [ class "page" ] (errorFlash model session.flash :: content)
         , footer []
             [ div [ class "footer" ]
                 [ externalLink "https://www.inbucket.org" "Inbucket"