1 files changed, 2 insertions, 3 deletions
diff --git a/chars.c b/chars.c
index 72da5103..37bb9a97 100644
--- a/chars.c
+++ b/chars.c
@@ -26,6 +26,7 @@
 #include <string.h>
 
 #include "mandoc.h"
+#include "libmandoc.h"
 
 #define	PRINT_HI	 126
 #define	PRINT_LO	 32
@@ -148,11 +149,9 @@ mchars_num2char(const char *p, size_t sz)
 {
 	int		  i;
 
-	if (sz > 3)
+	if ((i = mandoc_strntou(p, sz, 10)) < 0)
 		return('\0');
 
-	i = atoi(p);
-	/* LINTED */
 	return(isprint(i) ? i : '\0');
 }