diff --git a/lib/roken/verify.c b/lib/roken/verify.c
index fbbab371a..808f5c754 100644
--- a/lib/roken/verify.c
+++ b/lib/roken/verify.c
@@ -3,6 +3,7 @@
 RCSID("$Id$");
 #endif
 
+#include <stdio.h>
 #include "roken.h"
 
 int