diff --git a/src/main.ts b/src/main.ts
index c4691d9..0e4adde 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -125,7 +125,7 @@ let setImages = () => {
 const root = document.documentElement;
 
 const onMove = (ev: MouseEvent) => {
-  let rotateY = `${(ev.clientX - window.innerWidth / 2) * 0.005}deg`;
+  let rotateY = `${-(ev.clientX - window.innerWidth / 2) * 0.005}deg`;
   let rotateX = `${(ev.clientY - window.innerHeight / 2) * 0.005}deg`;
   root.style.setProperty("--rotate-x", rotateX);
   root.style.setProperty("--rotate-y", rotateY);