diff --git a/pkgs/misc/emulators/ppsspp/default.nix b/pkgs/misc/emulators/ppsspp/default.nix
index 68fb7105078..3f02304c0d4 100644
--- a/pkgs/misc/emulators/ppsspp/default.nix
+++ b/pkgs/misc/emulators/ppsspp/default.nix
@@ -22,6 +22,8 @@ stdenv.mkDerivation rec{
   buildInputs = [ zlib libpng pkgconfig qt4 qmake4Hook ]
                 ++ (if withGamepads then [ SDL ] else [ ]);
 
+  qmakeFlags = [ "PPSSPPQt.pro" ];
+
   preConfigure = "cd Qt";
   installPhase = "mkdir -p $out/bin && cp ppsspp $out/bin";