--- alsamixergui-0.9.0rc2-1.orig/src/alsamixer.cxx
+++ alsamixergui-0.9.0rc2-1/src/alsamixer.cxx
@@ -1817,6 +1817,8 @@
   old_view = mixer_view;
   
 #else
+  free(fds);
+
   {
     snd_mixer_handle_events(mixer_handle);
     gui_update_all();