1 files changed, 2 insertions, 2 deletions

diff --git a/custom/thinklight.nix b/custom/thinklight.nix
index f001f9fd..ced11d02 100644
--- a/custom/thinklight.nix
+++ b/custom/thinklight.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
     import Prelude hiding (readFile)
     import Data.List (intersperse)
     import Data.Maybe (fromMaybe)
-    import System.Posix.User (setUserID)
+    import System.Posix.User (setEffectiveUserID)
     
     data Mode = On | Off | Toggle | Blink deriving (Read, Show, Eq)
     
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
     main = do
             args <- getArgs
             let mode = if length args >= 1 then read $ head args else Toggle
-            setUserID 0
+            setEffectiveUserID 0
             sequence $ map (\g -> catchIOError g (\e -> if isDoesNotExistError e then return () else ioError e)) [thinklight mode]
             return ()