diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 88d9a0ccb96..865af0a5abf 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -104,7 +104,7 @@ stdenv.mkDerivation {
       nss
       pango
       libheimdal
-      libpulseaudio
+      libpulseaudio.dev
       systemd
     ] + ":" + stdenv.lib.makeSearchPathOutput "lib" "lib64" [
       stdenv.cc.cc