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-rw-r--r--CabalHelper/Compiletime/Compat/Environment.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/CabalHelper/Compiletime/Compat/Environment.hs b/CabalHelper/Compiletime/Compat/Environment.hs
index 15cf05a..916f782 100644
--- a/CabalHelper/Compiletime/Compat/Environment.hs
+++ b/CabalHelper/Compiletime/Compat/Environment.hs
@@ -3,4 +3,4 @@ module CabalHelper.Compiletime.Compat.Environment where
import System.Environment
lookupEnv :: String -> IO (Maybe String)
-lookupEnv var = lookup var <$> getEnvironment
+lookupEnv var = do env <- getEnvironment; return (lookup var env)