diff --git a/libavcodec/atrac.c b/libavcodec/atrac.c
index 57fde6de78..1b8b88327e 100644
--- a/libavcodec/atrac.c
+++ b/libavcodec/atrac.c
@@ -30,6 +30,7 @@
 
 #include "avcodec.h"
 #include "dsputil.h"
+#include "atrac.h"
 
 float sf_table[64];
 float qmf_window[48];