diff --git a/TODO.txt b/TODO.txt
index a459bba7a..7b411b5a7 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -202,6 +202,8 @@
 * add info view on top right DONE 11/30/2024
 * add info view for units DONE 11/30/2024
 * add defense post
+* bugfix: destroyers can't find path to dest and freeze
+* bugfix: when trade ships captured don't render
 * use mini A* for all pathfinding
 * record single player game stats
 * add radiation from nuke
diff --git a/src/client/graphics/layers/TerritoryLayer.ts b/src/client/graphics/layers/TerritoryLayer.ts
index 6dbe4128c..1b5a7f229 100644
--- a/src/client/graphics/layers/TerritoryLayer.ts
+++ b/src/client/graphics/layers/TerritoryLayer.ts
@@ -120,7 +120,14 @@ export class TerritoryLayer implements Layer {
 
     unitEvent(event: UnitEvent) {
         if (event.unit.type() == UnitType.DefensePost) {
-            bfs(event.unit.tile(), dist(event.unit.tile(), this.game.config().defensePostRange())).forEach(t => this.enqueue(t))
+            bfs(
+                event.unit.tile(),
+                dist(event.unit.tile(), this.game.config().defensePostRange())
+            ).forEach(t => {
+                if (t.isBorder()) {
+                    this.enqueue(t)
+                }
+            })
         }
     }
 
diff --git a/src/core/game/GameImpl.ts b/src/core/game/GameImpl.ts
index fd80ca762..19ac3e822 100644
--- a/src/core/game/GameImpl.ts
+++ b/src/core/game/GameImpl.ts
@@ -68,14 +68,14 @@ export class GameImpl implements MutableGame {
     addTileDefenseBonus(tile: Tile, unit: Unit, amount: number): DefenseBonus {
         const df = { unit: unit, tile: tile, amount: amount };
         (tile as TileImpl)._defenseBonuses.push(df)
-        this.eventBus.emit(new TileEvent(tile))
+        // this.eventBus.emit(new TileEvent(tile))
         return df
     }
 
     removeTileDefenseBonus(bonus: DefenseBonus): void {
         const t = bonus.tile as TileImpl
         t._defenseBonuses = t._defenseBonuses.filter(db => db != bonus)
-        this.eventBus.emit(new TileEvent(bonus.tile))
+        // this.eventBus.emit(new TileEvent(bonus.tile))
     }
 
     units(...types: UnitType[]): UnitImpl[] {