diff --git a/client/app.js b/client/app.js
index 56dbf79..460f475 100644
--- a/client/app.js
+++ b/client/app.js
@@ -66,7 +66,14 @@ export class App extends decorate(class {}) {
     this.roomView = new RoomView(this.room, this.stage.renderer);
     this.stage.addChild(this.roomView);
     this.on('darknessChanged', this.applyLighting, this);
-    this.on('isFocusedChanged', this.applyLighting, this);
+    this.on('isFocusedChanged', () => {
+      if (this.isFocused) {
+        this.stage.removeAllFilters();
+      }
+      else {
+        this.stage.sepia();
+      }
+    })
     // Listen for new entities.
     this.room.on('entityAdded', this.onRoomEntityAdded, this);
     // Input.
@@ -100,7 +107,6 @@ export class App extends decorate(class {}) {
   }
 
   applyLighting() {
-    this.stage.removeAllFilters();
     const roomView = this.roomView;
     if (!roomView) {
       return;
@@ -128,9 +134,6 @@ export class App extends decorate(class {}) {
       const layerContainer = layerView.layerContainer;
       layerContainer.night(this.darkness);
     }
-    if (!this.isFocused) {
-      this.stage.paused(this.darkness);
-    }
   }
 
   calculateDarkness() {