diff --git a/core/assets/maps/marsh.msav b/core/assets/maps/marsh.msav
index 13b23e2b22..8e81d20bc9 100644
Binary files a/core/assets/maps/marsh.msav and b/core/assets/maps/marsh.msav differ
diff --git a/core/src/mindustry/core/World.java b/core/src/mindustry/core/World.java
index 37794f8413..e52480861c 100644
--- a/core/src/mindustry/core/World.java
+++ b/core/src/mindustry/core/World.java
@@ -44,6 +44,11 @@ public class World{
 
         Events.on(WorldLoadEvent.class, e -> {
             tileChanges = -1;
+
+            //make each building check if it can update in the given map area
+            for(var build : Groups.build){
+                build.checkAllowUpdate();
+            }
         });
     }
 
diff --git a/core/src/mindustry/ui/dialogs/CustomRulesDialog.java b/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
index 56e67f460e..74aabc3568 100644
--- a/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
+++ b/core/src/mindustry/ui/dialogs/CustomRulesDialog.java
@@ -220,11 +220,11 @@ public class CustomRulesDialog extends BaseDialog{
         check("@rules.fog", b -> rules.fog = b, () -> rules.fog);
         check("@rules.lighting", b -> rules.lighting = b, () -> rules.lighting);
 
-        check("@rules.limitarea", b -> rules.limitMapArea = b, () -> rules.limitMapArea);
-        numberi("x", x -> rules.limitX = x, () -> rules.limitX, () -> rules.limitMapArea, 0, 10000);
-        numberi("y", y -> rules.limitY = y, () -> rules.limitY, () -> rules.limitMapArea, 0, 10000);
-        numberi("w", w -> rules.limitWidth = w, () -> rules.limitWidth, () -> rules.limitMapArea, 0, 10000);
-        numberi("h", h -> rules.limitHeight = h, () -> rules.limitHeight, () -> rules.limitMapArea, 0, 10000);
+        check("@rules.limitarea", b -> rules.limitMapArea = b, () -> rules.limitMapArea, () -> !state.isGame());
+        numberi("x", x -> rules.limitX = x, () -> rules.limitX, () -> rules.limitMapArea && !state.isGame(), 0, 10000);
+        numberi("y", y -> rules.limitY = y, () -> rules.limitY, () -> rules.limitMapArea && !state.isGame(), 0, 10000);
+        numberi("w", w -> rules.limitWidth = w, () -> rules.limitWidth, () -> rules.limitMapArea && !state.isGame(), 0, 10000);
+        numberi("h", h -> rules.limitHeight = h, () -> rules.limitHeight, () -> rules.limitMapArea && !state.isGame(), 0, 10000);
 
         number("@rules.solarmultiplier", f -> rules.solarMultiplier = f, () -> rules.solarMultiplier);