diff --git a/lib/roken/hex.c b/lib/roken/hex.c
index eaa9da33b..f5c5c268f 100644
--- a/lib/roken/hex.c
+++ b/lib/roken/hex.c
@@ -35,8 +35,7 @@
 #include <config.h>
 RCSID("$Id$");
 #endif
-#include <stdlib.h>
-#include <string.h>
+#include "roken.h"
 #include <ctype.h>
 #include "hex.h"