diff --git a/conf/e2/terrains.json b/conf/e2/terrains.json
index df9afc6fd..13a187676 100644
--- a/conf/e2/terrains.json
+++ b/conf/e2/terrains.json
@@ -212,7 +212,7 @@
       }
     },
     "firewall": {
-      "flags": [ "forbidden" ]
+      "flags": [ "forbidden", "land" ]
     },
     "fog": {
       "flags": [ "walk", "fly" ]