diff --git a/appleKit.hs b/appleKit.hs
index df93e9c..95e2210 100644
--- a/appleKit.hs
+++ b/appleKit.hs
@@ -4,7 +4,7 @@ install my lib: https://github.com/KonstantinDjairo/haskell-obj-c
 
 then:
 
-  $ ghc appleKit.hs -o hello \
+  $ ghc -package-env - appleKit.hs -o hello \
   -package haskell-obj-c \
   -package libffi \
   -framework AppKit