1 files changed, 1 insertions, 0 deletions

diff --git a/vol.c b/vol.c
index d6e7767d..5de4c8c6 100644
--- a/vol.c
+++ b/vol.c
@@ -22,6 +22,7 @@
 #include <string.h>
 #include <time.h>
 
+#include "mdoc.h"
 #include "mandoc.h"
 #include "libmdoc.h"