diff --git a/pkgs/applications/networking/instant-messengers/signal-desktop/generic.nix b/pkgs/applications/networking/instant-messengers/signal-desktop/generic.nix
index 85e9b9c9f667..ab5ec2a53391 100644
--- a/pkgs/applications/networking/instant-messengers/signal-desktop/generic.nix
+++ b/pkgs/applications/networking/instant-messengers/signal-desktop/generic.nix
@@ -157,6 +157,7 @@ stdenv.mkDerivation rec {
     libXrender
     libXtst
     libappindicator-gtk3
+    libpulseaudio
     libnotify
     libuuid
     mesa # for libgbm