diff --git a/src/view/input/inputhandler.ts b/src/view/input/inputhandler.ts
index 22fdc28..17abfe6 100644
--- a/src/view/input/inputhandler.ts
+++ b/src/view/input/inputhandler.ts
@@ -31,6 +31,11 @@ export class InputHandler extends Listenable<[string, boolean]> {
 			this.keys.delete(ev.code);
 			this.runListeners(ev.code, false);
 		});
+
+		window.addEventListener('blur', () => {
+			this.keys.clear();
+			this.runListeners('', false);
+		});
 	}
 
 	public has(key: string): boolean {