diff --git a/transports/wasm-ext/CHANGELOG.md b/transports/wasm-ext/CHANGELOG.md
index 0be05d41..33f3bfae 100644
--- a/transports/wasm-ext/CHANGELOG.md
+++ b/transports/wasm-ext/CHANGELOG.md
@@ -1,5 +1,6 @@
 # 0.24.0 [unreleased]
 
+- Fix the WebSocket implementation parsing `x-parity-ws` multiaddresses as `x-parity-wss`.
 - Update dependencies.
 
 # 0.23.0 [2020-10-16]
diff --git a/transports/wasm-ext/src/websockets.js b/transports/wasm-ext/src/websockets.js
index 7b5fcbf1..bc608c66 100644
--- a/transports/wasm-ext/src/websockets.js
+++ b/transports/wasm-ext/src/websockets.js
@@ -34,7 +34,7 @@ const multiaddr_to_ws = (addr) => {
 	let parsed = addr.match(/^\/(ip4|ip6|dns4|dns6|dns)\/(.*?)\/tcp\/(.*?)\/(ws|wss|x-parity-ws\/(.*)|x-parity-wss\/(.*))$/);
 	if (parsed != null) {
 		let proto = 'wss';
-		if (parsed[4] == 'ws' || parsed[4] == 'x-parity-ws') {
+		if (parsed[4] == 'ws' || parsed[4].startsWith('x-parity-ws/')) {
 			proto = 'ws';
 		}
 		let url = decodeURIComponent(parsed[5] || parsed[6] || '');