diff -upr mumble-1.4.230.orig/src/mumble/ALSAAudio.cpp mumble-1.4.230/src/mumble/ALSAAudio.cpp
--- mumble-1.4.230.orig/src/mumble/ALSAAudio.cpp	2022-01-19 20:56:34.290426880 +0100
+++ mumble-1.4.230/src/mumble/ALSAAudio.cpp	2022-01-19 20:56:52.313837957 +0100
@@ -10,7 +10,7 @@
 #include "Utils.h"
 
 #include <alsa/asoundlib.h>
-#include <sys/poll.h>
+#include <poll.h>
 
 #include "Global.h"