diff --git a/yesod-core/Yesod/Internal/Core.hs b/yesod-core/Yesod/Internal/Core.hs
index 1cd4444f..c4a9796f 100644
--- a/yesod-core/Yesod/Internal/Core.hs
+++ b/yesod-core/Yesod/Internal/Core.hs
@@ -878,7 +878,7 @@ runFakeHandler fakeSessionMap logger master handler = liftIO $ do
   let YesodApp yapp =
         runHandler
           handler'
-          (yesodRender master "")
+          (yesodRender master $ resolveApproot master fakeWaiRequest)
           Nothing
           id
           master