diff -Naur ipxripd-0.8.orig/ipxd.h ipxripd-0.8/ipxd.h
--- ipxripd-0.8.orig/ipxd.h	2002-10-28 15:05:12 +0300
+++ ipxripd-0.8/ipxd.h	2002-10-28 15:04:08 +0300
@@ -56,7 +56,7 @@
 extern FILE *log_file;
 extern int passive;
 
-extern int check_request;
+extern volatile int check_request;
 
 struct ipx_interface *first_interface(void);
 struct ipx_interface *next_interface(struct ipx_interface *ifc);