diff --git a/src/modules/Yp/acconfig.h b/src/modules/Yp/acconfig.h
index 6c36a8bf22fddfb286df42ff5ff1d3d0156c99e3..0395041f28639e022bced141352b4e967d2d3567 100644
--- a/src/modules/Yp/acconfig.h
+++ b/src/modules/Yp/acconfig.h
@@ -1,5 +1,5 @@
 /*
- * $Id: acconfig.h,v 1.2 1997/05/22 16:30:39 grubba Exp $
+ * $Id: acconfig.h,v 1.3 1998/08/08 12:17:51 grubba Exp $
  */
 #ifndef YP_MACHINE_H
 #define YP_MACHINE_H
@@ -7,4 +7,7 @@
 @TOP@
 @BOTTOM@
 
+/* The last argument to yp_order() is a YP_ORDER_TYPE * */
+#define YP_ORDER_TYPE	unsigned
+
 #endif