diff --git a/pkgs/development/libraries/portaudio/default.nix b/pkgs/development/libraries/portaudio/default.nix
index f405e30433f..46d51281401 100644
--- a/pkgs/development/libraries/portaudio/default.nix
+++ b/pkgs/development/libraries/portaudio/default.nix
@@ -33,6 +33,9 @@ stdenv.mkDerivation rec {
     cp -r lib "$out"
   '' else ''
     make install
+
+    # fixup .pc file to find alsa library
+    sed -i "s|-lasound|-L${alsaLib}/lib -lasound|" "$out/lib/pkgconfig/"*.pc
   '';
 
   meta = with stdenv.lib; {