diff --git a/src/blobsets/httpservers.nim b/src/blobsets/httpservers.nim
index f731e4e..b349899 100644
--- a/src/blobsets/httpservers.nim
+++ b/src/blobsets/httpservers.nim
@@ -120,11 +120,11 @@ proc serve*(hss: HttpStoreServer; port = Port(80)): Future[void] =
         req.respond(Http501, "method not implemented")
       await fut
     except KeyError:
-      await req.respond(Http404, "blob not found")
+      await req.respond(Http404, "")
+        # there is a bug with responding to HEAD with a message
     except ValueError:
       await req.respond(Http400, getCurrentExceptionMsg())
     except:
-      try:
-        await req.respond(Http500, getCurrentExceptionMsg())
+      try: await req.respond(Http500, getCurrentExceptionMsg())
       except: discard
   hss.server.serve(port, handleRequest)