diff --git a/src/platform/pce.ts b/src/platform/pce.ts
index cc4cd717..298391e4 100644
--- a/src/platform/pce.ts
+++ b/src/platform/pce.ts
@@ -17,7 +17,7 @@ class PCEnginePlatform implements Platform {
     }
     start(): void | Promise<void> {
         this.pce = new PCE();
-        this.video = new RasterVideo(this.mainElement, 684, 262, { overscan: true });
+        this.video = new RasterVideo(this.mainElement, 684, 262, { overscan: true, aspect: 4 / 3 });
         this.video.create();
         this.pce.SetCanvas(this.video.canvas);
     }