diff --git a/libavcodec/sinewin.h b/libavcodec/sinewin.h
index 7b64096a717762123e42ea28f69ae2573ecb2fe7..13487409056e9b7f5c437fa4c86306d530f5c73e 100644
--- a/libavcodec/sinewin.h
+++ b/libavcodec/sinewin.h
@@ -60,6 +60,6 @@ extern SINETABLE(2048);
 extern SINETABLE(4096);
 extern SINETABLE(8192);
 
-extern SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[16];
+extern SINETABLE_CONST INTFLOAT * const AAC_RENAME(ff_sine_windows)[];
 
 #endif /* AVCODEC_SINEWIN_H */