diff --git a/lib/http-proxy/common.js b/lib/http-proxy/common.js
index d4186f06f..5d10647cf 100644
--- a/lib/http-proxy/common.js
+++ b/lib/http-proxy/common.js
@@ -50,11 +50,11 @@ common.setupOutgoing = function(outgoing, options, req, forward) {
   // Remark: If we are false and not upgrading, set the connection: close. This is the right thing to do
   // as node core doesn't handle this COMPLETELY properly yet.
   //
-  if(!outgoing.agent) {
+  if (!outgoing.agent) {
     outgoing.headers = outgoing.headers || {};
-    if(typeof outgoing.headers.connection !== 'string' || outgoing.headers.connection.toLowerCase() !== 'upgrade') {
-      outgoing.headers.connection = 'close';
-    }
+    if (typeof outgoing.headers.connection !== 'string'
+        || outgoing.headers.connection.toLowerCase() !== 'upgrade'
+       ) { outgoing.headers.connection = 'close'; }
   }
 
   //