diff --git a/aegisub/src/audio_player_alsa.cpp b/aegisub/src/audio_player_alsa.cpp
index 1c39b7178..c848150b1 100644
--- a/aegisub/src/audio_player_alsa.cpp
+++ b/aegisub/src/audio_player_alsa.cpp
@@ -45,6 +45,8 @@
 #include "audio_player_alsa.h"
 #include "audio_player_manager.h"
 #include "audio_provider_manager.h"
+#include "main.h"
+#include "compat.h"
 #include "frame_main.h"
 #include "options.h"
 #include "utils.h"