diff --git a/dlls/winealsa.drv/alsamidi.c b/dlls/winealsa.drv/alsamidi.c
index 476ea383a25..4f3f5538891 100644
--- a/dlls/winealsa.drv/alsamidi.c
+++ b/dlls/winealsa.drv/alsamidi.c
@@ -30,6 +30,8 @@
 
 #include <stdarg.h>
 #include <stdio.h>
+#include <stdint.h>
+#include <unistd.h>
 #include <pthread.h>
 #include <time.h>
 #include <alsa/asoundlib.h>