diff --git a/example.hs b/example.hs
index a2a06bd..f046046 100755
--- a/example.hs
+++ b/example.hs
@@ -3,6 +3,8 @@
 #! haskell | text lens optparse-applicative
 #! shell | nix nix-prefetch-scripts
 
+import Control.Lens
+
 main :: IO ()
 main = do
   putStrLn "It works!"