diff --git a/pkgs/development/libraries/smpeg/default.nix b/pkgs/development/libraries/smpeg/default.nix
index b671f47bf8cc..03af2e40fa3a 100644
--- a/pkgs/development/libraries/smpeg/default.nix
+++ b/pkgs/development/libraries/smpeg/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
 
     wrapProgram $out/bin/smpeg-config \
       --prefix PATH ":" "${pkg-config}/bin" \
-      --prefix PKG_CONFIG_PATH ":" "${SDL.dev}/lib/pkgconfig"
+      --prefix PKG_CONFIG_PATH ":" "${lib.getDev SDL}/lib/pkgconfig"
   '';
 
   NIX_LDFLAGS = "-lX11";