diff --git a/TOOLS/subfont-c/subfont.c b/TOOLS/subfont-c/subfont.c
index f958855d22..2c137a0860 100644
--- a/TOOLS/subfont-c/subfont.c
+++ b/TOOLS/subfont-c/subfont.c
@@ -26,7 +26,8 @@
 #endif
 
 
-#include "bswap.h"
+#include "libavutil/common.h"
+#include "libavutil/bswap.h"
 #include "osdep/timer.h"
 
 #ifndef DEBUG