diff --git a/idxcr.c b/idxcr.c
index c89062f..9947660 100644
--- a/idxcr.c
+++ b/idxcr.c
@@ -34,6 +34,7 @@
 #include <sys/stat.h>
 
 #include "conf.h"
+#define VINT_IN
 #include "vint.h"
 #include "bitpack.h"
 #include "vp4.h"