diff --git a/src/monsters.c b/src/monsters.c
index 6af672133..3984b8f6b 100644
--- a/src/monsters.c
+++ b/src/monsters.c
@@ -787,7 +787,7 @@ void plan_monsters(faction * f)
                 setstatus(u, ST_FIGHT);
                 /* all monsters fight */
             }
-            if (attacking && is_guard(u, GUARD_TAX)) {
+            if (attacking && (!r->land || is_guard(u, GUARD_TAX))) {
                 monster_attacks(u, true, false);
             }