diff --git a/lib/https/index.js b/lib/https/index.js
index 6b2a03545..c8d546123 100644
--- a/lib/https/index.js
+++ b/lib/https/index.js
@@ -529,13 +529,13 @@ function setRuleHeaders(headers, rulesHeaders) {
   var ruleValue = rulesHeaders[RULE_KEY];
   if (ruleValue) {
     var rv = headers[RULE_KEY] || '';
-    headers[RULE_KEY] = rv + (rv ? '%0A' : '') + ruleValue;
+    headers[RULE_KEY] = ruleValue + (rv ? '%0A' + rv : '');
   }
 
   var hostValue = rulesHeaders[HOST_KEY];
   if (hostValue) {
     var hv = headers[HOST_KEY] || '';
-    headers[HOST_KEY] = hv + (hv ? '%0A' : '') + hostValue;
+    headers[HOST_KEY] = hostValue + (hv ? '%0A' + hv : '');
   }
 }