diff --git a/libavdevice/alsa-audio.h b/libavdevice/alsa-audio.h
index 91c95602906b2ea17faabef4dcdfdaec2f815416..2406e8dc197704bba35cb4629764114a048d7e27 100644
--- a/libavdevice/alsa-audio.h
+++ b/libavdevice/alsa-audio.h
@@ -30,6 +30,10 @@
 #ifndef AVDEVICE_ALSA_AUDIO_H
 #define AVDEVICE_ALSA_AUDIO_H
 
+#include <alsa/asoundlib.h>
+#include "config.h"
+#include "libavformat/avformat.h"
+
 /* XXX: we make the assumption that the soundcard accepts this format */
 /* XXX: find better solution with "preinit" method, needed also in
         other formats */