diff --git a/pkgs/development/libraries/audio/raul/default.nix b/pkgs/development/libraries/audio/raul/default.nix
index a0089e31044..b1a8288c5f0 100644
--- a/pkgs/development/libraries/audio/raul/default.nix
+++ b/pkgs/development/libraries/audio/raul/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, boost, gtk2, pkg-config, python, wafHook }:
+{ lib, stdenv, fetchgit, boost, gtk2, pkg-config, python3, wafHook }:
 
 stdenv.mkDerivation rec {
   pname = "raul";
@@ -12,8 +12,10 @@ stdenv.mkDerivation rec {
     sha256 = "1z37jb6ghc13b8nv8a8hcg669gl8vh4ni9djvfgga9vcz8rmcg8l";
   };
 
-  nativeBuildInputs = [ pkg-config wafHook ];
-  buildInputs = [ boost gtk2 python ];
+  nativeBuildInputs = [ pkg-config wafHook python3 ];
+  buildInputs = [ boost gtk2 ];
+
+  strictDeps = true;
 
   meta = with lib; {
     description = "A C++ utility library primarily aimed at audio/musical applications";