diff --git a/src/gamelib.js b/src/gamelib.js
index 27dbd24..27cce11 100644
--- a/src/gamelib.js
+++ b/src/gamelib.js
@@ -35,13 +35,13 @@ export class Gamelib {
     }
 
     destroy() {
-        document.body.removeEventListener("keydown", this.keydownListener);
-        document.body.removeEventListener("keyup", this.keyupListener);
+        document.body.removeEventListener("keydown", this.keydownListener.bind(this));
+        document.body.removeEventListener("keyup", this.keyupListener.bind(this));
 
-        this.canvas.removeEventListener("mousemove", this.mousemoveListener);
-        this.canvas.removeEventListener("mousedown", this.mousedownListener);
-        this.canvas.removeEventListener("mouseup", this.mouseupListener);
-        this.canvas.removeEventListener("contextmenu", this.contextMenuListener);
+        this.canvas.removeEventListener("mousemove", this.mousemoveListener.bind(this));
+        this.canvas.removeEventListener("mousedown", this.mousedownListener.bind(this));
+        this.canvas.removeEventListener("mouseup", this.mouseupListener.bind(this));
+        this.canvas.removeEventListener("contextmenu", this.contextMenuListener.bind(this));
 
         this.spriteCache.clear();