Index: common/nation.c
===================================================================
--- common/nation.c	(revision 11793)
+++ common/nation.c	(working copy)
@@ -351,14 +351,14 @@
   struct nation_group *group;
 
   if (strlen(name) >= ARRAY_SIZE(group->name)) {
-    freelog(LOG_FATAL, "Too-long group name %s.", group->name);
+    freelog(LOG_FATAL, "Too-long group name %s.", name);
     exit(EXIT_FAILURE);
   }
 
   for (i = 0; i < num_nation_groups; i++) {
     if (mystrcasecmp(Qn_(name), Qn_(nation_groups[i].name)) == 0) {
       freelog(LOG_FATAL, "Duplicate group name %s.",
-	      Qn_(group->name));
+	      Qn_(name));
       exit(EXIT_FAILURE);
     }
   }