--- output.c.orig	Sun Sep  4 07:40:09 2005
+++ output.c	Sun Sep  4 07:47:06 2005
@@ -2037,7 +2044,7 @@
             while ( (*domain!='.')&&(domain!=hptr->string)) domain--;
             if (domain==hptr->string)
 	       country=NULL;
-            else if (isdigit((int)*++domain))
+            else if (isdigit((unsigned char)*++domain))
             {
 #ifdef USE_GEOIP
                if (use_geoip)