diff --git a/aegisub/src/audio_player.cpp b/aegisub/src/audio_player.cpp
index f20157ff5..a33fa9015 100644
--- a/aegisub/src/audio_player.cpp
+++ b/aegisub/src/audio_player.cpp
@@ -36,6 +36,7 @@
 
 #include "config.h"
 
+#include "include/aegisub/audio_player.h"
 #include "audio_player_alsa.h"
 #include "audio_player_dsound.h"
 #include "audio_player_dsound2.h"