diff --git a/Shake.hs b/Shake.hs
index 1e4df0f80..5d8f6d6ad 100755
--- a/Shake.hs
+++ b/Shake.hs
@@ -586,8 +586,9 @@ main = do
       -- This may also update .cabal files from package.yaml files, and/or install haskell deps.
       phony "build" $ do
         let
-          pkgs | null args = packages
-               | otherwise = args
+          args' = drop 1 args
+          pkgs | null args' = packages
+               | otherwise = args'
         sequence_ [ do
           need $ fromMaybe [] $ lookup pkg embeddedFiles
           cmd Shell "stack build " pkg :: Action ()