diff --git a/pkgs/games/pokerth/default.nix b/pkgs/games/pokerth/default.nix
index ffae1b5cd8f6..f07b2a614d48 100644
--- a/pkgs/games/pokerth/default.nix
+++ b/pkgs/games/pokerth/default.nix
@@ -59,7 +59,7 @@ mkDerivation rec {
     "pokerth.pro"
   ];
 
-  NIX_CFLAGS_COMPILE = "-I${SDL.dev}/include/SDL";
+  NIX_CFLAGS_COMPILE = "-I${lib.getDev SDL}/include/SDL";
 
   meta = with lib; {
     homepage = "https://www.pokerth.net";