diff --git a/pkgs/applications/audio/snapcast/default.nix b/pkgs/applications/audio/snapcast/default.nix
index 67733286cc53..b33c3ef9529a 100644
--- a/pkgs/applications/audio/snapcast/default.nix
+++ b/pkgs/applications/audio/snapcast/default.nix
@@ -58,6 +58,8 @@ stdenv.mkDerivation rec {
 
   TARGET = lib.optionalString stdenv.hostPlatform.isDarwin "MACOS";
 
+  cmakeFlags = [ (lib.cmakeBool "BUILD_WITH_PULSE" pulseaudioSupport) ];
+
   # Upstream systemd unit files are pretty awful, so we provide our own in a
   # NixOS module. It might make sense to get that upstreamed...
   postInstall = ''