diff --git a/static/main.js b/static/main.js
index b701fe2..b52863b 100644
--- a/static/main.js
+++ b/static/main.js
@@ -269,6 +269,4 @@ function wm2018(channel) {
 	} else if (channel === "zdf") {
 		ajaxRequest("/?video=https://www.zdf.de/sender/zdf/zdf-live-beitrag-100.html");
 	}
-
-	return false;
 }
diff --git a/templates/index.html b/templates/index.html
index 6b60f2b..360f5fe 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -60,8 +60,8 @@
 					<form>
 						<label for="video">Stream URL</label>
 						<input id="streaming-url" type="text" name="video" placeholder="paste stream url here..." />
-						<button onclick="wm2018('ard');">⚽️ WM 2018: ARD</button>
-						<button onclick="wm2018('zdf');">⚽️ WM 2018: ZDF</button>
+						<button onclick="wm2018('ard');return false;">⚽️ WM 2018: ARD</button>
+						<button onclick="wm2018('zdf');return false;">⚽️ WM 2018: ZDF</button>
 					</form>
 					<button onclick="playStream();">Play!</button>
 				</div>