diff --git a/pkgs/games/speed-dreams/default.nix b/pkgs/games/speed-dreams/default.nix
index b97e755b2753..d06e3c1aa158 100644
--- a/pkgs/games/speed-dreams/default.nix
+++ b/pkgs/games/speed-dreams/default.nix
@@ -56,6 +56,9 @@ stdenv.mkDerivation rec {
     done
   '';
 
+  # RPATH of binary /nix/store/.../lib64/games/speed-dreams-2/drivers/shadow_sc/shadow_sc.so contains a forbidden reference to /build/
+  cmakeFlags = [ "-DCMAKE_SKIP_BUILD_RPATH=ON" ];
+
   nativeBuildInputs = [ pkg-config cmake ];
 
   buildInputs = [ libpng libGLU libGL freeglut libX11 plib openal freealut libXrandr xorgproto