diff --git a/src/modules/files/file.c b/src/modules/files/file.c
index dd94d48fa8d34daf2051c600f9dd1685cab10ba8..26f74ebde379ee79ee891ac79daad80e947b5568 100644
--- a/src/modules/files/file.c
+++ b/src/modules/files/file.c
@@ -5,7 +5,7 @@
 \*/
 
 #include "global.h"
-RCSID("$Id: file.c,v 1.99 1998/05/22 11:34:42 grubba Exp $");
+RCSID("$Id: file.c,v 1.100 1998/05/22 11:37:59 grubba Exp $");
 #include "fdlib.h"
 #include "interpret.h"
 #include "svalue.h"
@@ -1213,6 +1213,10 @@ static void file_set_buffer(INT32 args)
 #endif
 }
 
+#ifndef AF_UNIX
+#define AF_UNIX	4711
+#endif /* AF_UNIX */
+
 
 /* No socketpair() ?
  * No AF_UNIX sockets ?