diff --git a/static/main.js b/static/main.js
index b52863b..27576f6 100644
--- a/static/main.js
+++ b/static/main.js
@@ -265,8 +265,8 @@ function killAllAudio() {
 
 function wm2018(channel) {
 	if (channel === "ard") {
-		ajaxRequest("/?video=https://www.ardmediathek.de/tv/live?kanal=208");
+		ajaxRequest("/?video="+encodeURI("https://www.ardmediathek.de/tv/live?kanal=208"));
 	} else if (channel === "zdf") {
-		ajaxRequest("/?video=https://www.zdf.de/sender/zdf/zdf-live-beitrag-100.html");
+		ajaxRequest("/?video="+encodeURI("https://www.zdf.de/sender/zdf/zdf-live-beitrag-100.html"));
 	}
 }