diff --git a/libavcodec/lpc.h b/libavcodec/lpc.h
index 6e74c0dd00..6586854e67 100644
--- a/libavcodec/lpc.h
+++ b/libavcodec/lpc.h
@@ -22,7 +22,8 @@
 #ifndef FFMPEG_LPC_H
 #define FFMPEG_LPC_H
 
-#include <inttypes.h>
+#include <stdint.h>
+#include "dsputil.h"
 
 #define ORDER_METHOD_EST     0
 #define ORDER_METHOD_2LEVEL  1