diff --git a/libavcodec/aac_parser.c b/libavcodec/aac_parser.c
index 7e6678d189..45c8b95e76 100644
--- a/libavcodec/aac_parser.c
+++ b/libavcodec/aac_parser.c
@@ -23,6 +23,7 @@
 #include "parser.h"
 #include "aac_ac3_parser.h"
 #include "bitstream.h"
+#include "ac3.h"
 
 
 #define AAC_HEADER_SIZE 7