diff --git a/auth/afs.c b/auth/afs.c
index 4b1bfd492..f04e20200 100644
--- a/auth/afs.c
+++ b/auth/afs.c
@@ -57,12 +57,13 @@
 #endif /* HAVE_UNISTD_H */
 #include <pwd.h>
 
-#include <afs/stds.h>
-#include <afs/kautils.h>
-
 #include "sudo.h"
 #include "sudo_auth.h"
 
+#undef VOID
+#include <afs/stds.h>
+#include <afs/kautils.h>
+
 #ifndef lint
 static const char rcsid[] = "$Sudo$";
 #endif /* lint */