diff --git a/Shake.hs b/Shake.hs
index 5bff52e01..0c7cd1582 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -734,7 +734,7 @@ main = do
               ,":!tests"
               ]
 
-            mpkg = if dir=="." then Nothing else Just dir where dir = takeDirectory out
+            mpkg = if dir=="doc" then Nothing else Just dir where dir = takeDirectory out
 
           -- Parse the changelog.
           oldlines <- liftIO $ lines <$> readFileStrictly out