diff --git a/lib/webrtc.io.js b/lib/webrtc.io.js
index 7c1a8e8..0045789 100644
--- a/lib/webrtc.io.js
+++ b/lib/webrtc.io.js
@@ -479,8 +479,9 @@ if (navigator.webkitGetUserMedia) {
   rtc.addDataChannels = function() {
     if (!rtc.dataChannelSupport) return;
 
-    for (var connection in rtc.peerConnections)
-    rtc.createDataChannel(connection);
+    for (var connection in rtc.peerConnections) {
+      rtc.createDataChannel(connection);
+    }
   };