1 files changed, 1 insertions, 0 deletions

diff --git a/roff.c b/roff.c
index b6ad9d20..ee025cbb 100644
--- a/roff.c
+++ b/roff.c
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "mandoc_aux.h"
 #include "libroff.h"
 #include "libmandoc.h"