--- freeciv/server/unithand.c	Fri Apr 14 12:52:41 2000
+++ smarter_settlers/server/unithand.c	Fri Apr 14 21:35:32 2000
@@ -1311,6 +1311,15 @@
     set_unit_activity_targeted(punit, new_activity, new_target);
     send_unit_info(0, punit);
     handle_unit_activity_dependencies(punit, old_activity, old_target);
+    if (new_activity == ACTIVITY_EXPLORE) {
+      int id = punit->id;
+      ai_manage_explorer(pplayer, punit);
+      /* ai_manage_explorer sets the activity to idle, so we reset it */
+      if ((punit = find_unit_by_id(id))) {
+	set_unit_activity_targeted(punit, new_activity, new_target);
+	send_unit_info(pplayer, punit);
+      }
+    }
   }
 }