diff --git a/pkgs/development/libraries/haskell/colors/default.nix b/pkgs/development/libraries/haskell/colors/default.nix
index 09448507a73..f5523a5a2b5 100644
--- a/pkgs/development/libraries/haskell/colors/default.nix
+++ b/pkgs/development/libraries/haskell/colors/default.nix
@@ -12,6 +12,6 @@ cabal.mkDerivation (self: {
     description = "A type for colors";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
-    maintainers = self.stdenv.lib.maintainers; [ fuuzetsu ];
+    maintainers = with self.stdenv.lib.maintainers; [ fuuzetsu ];
   };
 })