diff --git a/src/js/game/systems/filter.js b/src/js/game/systems/filter.js
index a6442b41..0db3fdb3 100644
--- a/src/js/game/systems/filter.js
+++ b/src/js/game/systems/filter.js
@@ -20,8 +20,11 @@ export class FilterSystem extends GameSystemWithFilter {
 
         const requiredProgress = 1 - progress;
 
-        for (let i = 0; i < this.allEntities.length; ++i) {
-            const entity = this.allEntities[i];
+        for (
+            let arr = this.getUpdateEntitiesArray(), i = arr.length - 1, entity;
+            (entity = arr[i]) && i >= 0;
+            --i
+        ) {
             const filterComp = entity.components.Filter;
             const ejectorComp = entity.components.ItemEjector;