diff --git a/pkgs/development/libraries/audio/roc-toolkit/default.nix b/pkgs/development/libraries/audio/roc-toolkit/default.nix
index 98c088ed5495..a155ba0d3e23 100644
--- a/pkgs/development/libraries/audio/roc-toolkit/default.nix
+++ b/pkgs/development/libraries/audio/roc-toolkit/default.nix
@@ -34,10 +34,9 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     libuv
-    libunwind
-    openfec
-    libpulseaudio
-  ];
+  ] ++ lib.optional openfecSupport openfec
+    ++ lib.optional libunwindSupport libunwind
+    ++ lib.optional pulseaudioSupport libpulseaudio;
 
   sconsFlags =
     [ "--build=${stdenv.buildPlatform.config}"