diff --git a/src/systems/CameraSystem.ts b/src/systems/CameraSystem.ts
index 4a7ec2c..2b765c9 100644
--- a/src/systems/CameraSystem.ts
+++ b/src/systems/CameraSystem.ts
@@ -54,19 +54,20 @@ export class CameraSystem {
 
     // Scroll wheel zoom — zoom toward mouse pointer position
     this.scene.input.on('wheel', (ptr: Phaser.Input.Pointer, _objs: unknown, _dx: number, dy: number) => {
-      const oldZoom = cam.zoom
-      const newZoom = Phaser.Math.Clamp(oldZoom - Math.sign(dy) * ZOOM_STEP, MIN_ZOOM, MAX_ZOOM)
-      if (newZoom === oldZoom) return
+      const newZoom = Phaser.Math.Clamp(cam.zoom - Math.sign(dy) * ZOOM_STEP, MIN_ZOOM, MAX_ZOOM)
+      if (newZoom === cam.zoom) return
 
-      // World point under mouse before zoom
-      const worldX = cam.scrollX + ptr.x / oldZoom
-      const worldY = cam.scrollY + ptr.y / oldZoom
+      // Sample the world point under the mouse BEFORE the zoom change
+      const before = cam.getWorldPoint(ptr.x, ptr.y)
 
       cam.setZoom(newZoom)
 
-      // Adjust scroll so the same world point stays under the mouse
-      cam.scrollX = worldX - ptr.x / newZoom
-      cam.scrollY = worldY - ptr.y / newZoom
+      // Sample the same screen position AFTER zoom — it now maps to a different world point
+      const after = cam.getWorldPoint(ptr.x, ptr.y)
+
+      // Shift scroll by the difference so the original world point snaps back under the mouse
+      cam.scrollX -= after.x - before.x
+      cam.scrollY -= after.y - before.y
     })
 
     // Middle-click pan: start on button down