diff --git a/Handler/UploadStackage.hs b/Handler/UploadStackage.hs
index 1c7c19a..f997640 100644
--- a/Handler/UploadStackage.hs
+++ b/Handler/UploadStackage.hs
@@ -213,6 +213,7 @@ putUploadStackageR = do
                                     ]
                                 msrc <- storeRead (HackageCabal name version)
                                 case msrc of
+                                    Nothing | name == "base" -> return () -- workaround in case base isn't uploaded to Hackage
                                     Nothing -> invalidArgs ["Unknown Hackage name/version: " ++ tshow (name, version)]
                                     Just src -> addFile False name version src