diff --git a/pkgs/development/libraries/frame/default.nix b/pkgs/development/libraries/frame/default.nix
index 26357b44049..4e8be2a4f50 100644
--- a/pkgs/development/libraries/frame/default.nix
+++ b/pkgs/development/libraries/frame/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ 
     stdenv pkgconfig
-  ] ++ stdenv.lib.optional enableX11 [xorg.xorgserver xorg.libX11 xorg.libXext xorg.libXi];
+  ] ++ stdenv.lib.optionals enableX11 [xorg.xorgserver xorg.libX11 xorg.libXext xorg.libXi];
 
   configureFlags = stdenv.lib.optional enableX11 "--with-x11";
 
@@ -21,4 +21,4 @@ stdenv.mkDerivation rec {
     license = stdenv.lib.licenses.gpl3;
     platforms = stdenv.lib.platforms.linux;
   };
-}
\ No newline at end of file
+}