diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index 01cd7a1df38..5bd275ba31d 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -82,6 +82,7 @@ stdenv.mkDerivation {
   libPath = stdenv.lib.makeLibraryPath
     [ stdenv.cc.cc
       alsaLib
+      alsaLib.dev
       atk
       cairo
       curl