diff --git a/xP/public/xP.js b/xP/public/xP.js
index ca5fcf2..d302a86 100644
--- a/xP/public/xP.js
+++ b/xP/public/xP.js
@@ -117,8 +117,10 @@ class RelayRpc extends EventTarget {
 	}
 
 	base64decode(str) {
-		return decodeURIComponent(atob(str).split('').map(c =>
-			'%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)).join(''))
+		const text = atob(str), bytes = new Uint8Array(text.length)
+		for (let i = 0; i < text.length; i++)
+			bytes[i] = text.charCodeAt(i)
+		return new TextDecoder().decode(bytes)
 	}
 }