diff --git a/lib/SimpleSAML/Utils/HTTP.php b/lib/SimpleSAML/Utils/HTTP.php
index b73cf1302a5c3ca321fa67b0c959acda042f8a76..ee588258166a3f014a8494cdc309d9906cdbf5eb 100644
--- a/lib/SimpleSAML/Utils/HTTP.php
+++ b/lib/SimpleSAML/Utils/HTTP.php
@@ -367,7 +367,7 @@ class HTTP
             if (!isset($context['http']['proxy'])) {
                 $context['http']['proxy'] = $proxy;
             }
-            if ($proxy_auth !== false) ) {
+            if ($proxy_auth !== false) {
                 $context['http']['header'] = "Proxy-Authorization: Basic".base64_encode($proxy_auth);
             }
             if (!isset($context['http']['request_fulluri'])) {