diff --git a/libavcodec/twinvq.c b/libavcodec/twinvq.c
index 8e198ea100..7131584232 100644
--- a/libavcodec/twinvq.c
+++ b/libavcodec/twinvq.c
@@ -22,6 +22,7 @@
 #include "avcodec.h"
 #include "get_bits.h"
 #include "dsputil.h"
+#include "lsp.h"
 
 #include <math.h>
 #include <stdint.h>