diff --git a/src/Handler/Material.hs b/src/Handler/Material.hs
index 5e2fcd735..dab8e610a 100644
--- a/src/Handler/Material.hs
+++ b/src/Handler/Material.hs
@@ -157,7 +157,7 @@ getMaterialListR tid ssh csh = do
 
 
 getMFileR :: TermId -> SchoolId -> CourseShorthand -> MaterialName -> FilePath -> Handler TypedContent
-getMFileR tid ssh csh mnm title = error "MFileR" . serveOneFile $ fileQuery .| C.map entityVal
+getMFileR tid ssh csh mnm title = serveOneFile $ fileQuery .| C.map entityVal
   where
     fileQuery = E.selectSource $ E.from $
       \(course `E.InnerJoin` material `E.InnerJoin` matFile) -> do