diff --git a/c55930et90.js b/c55930et90.js
index 4024772..bf0e138 100644
--- a/c55930et90.js
+++ b/c55930et90.js
@@ -13,8 +13,8 @@ if (!this.initialized) {
 this.x -= touch.left;
 this.x += touch.right;
 
-this.y -= touch.down;
-this.y += touch.up;
+this.y += touch.down;
+this.y -= touch.up;
 
 if (this.x < 0) {
 	this.x = 0;