diff --git a/public/src/games/bejeweled/BejeweledGame.js b/public/src/games/bejeweled/BejeweledGame.js
index 9f676f6..1bf50e4 100644
--- a/public/src/games/bejeweled/BejeweledGame.js
+++ b/public/src/games/bejeweled/BejeweledGame.js
@@ -55,9 +55,9 @@ function unitShape(color) {
   switch (color) {
     case 'red':    return poly(4, 45);
     case 'orange': return poly(5, -90);
-    case 'yellow': return [{ x: 0, y: -1.06 }, { x: 0.72, y: 0 }, { x: 0, y: 1.06 }, { x: -0.72, y: 0 }];
+    case 'yellow': return [{ x: 0, y: -0.92 }, { x: 0.92, y: 0 }, { x: 0, y: 0.92 }, { x: -0.92, y: 0 }];
     case 'green':  return poly(6, 0);
-    case 'purple': return poly(3, -90);
+    case 'purple': return [{ x: 0, y: -1.15 }, { x: 1.0, y: 0.85 }, { x: -1.0, y: 0.85 }];
     case 'white':  return poly(8, 22.5);
     default:       return null;            // blue → circle
   }