diff --git a/lib/Pico.php b/lib/Pico.php
index c69f6dca7..0a52e6b1c 100644
--- a/lib/Pico.php
+++ b/lib/Pico.php
@@ -2054,8 +2054,8 @@ public function getBaseUrl()
 
         $hostPortPosition = ($host[0] === '[') ? strpos($host, ':', strrpos($host, ']') ?: 0) : strrpos($host, ':');
         if ($hostPortPosition !== false) {
-            $host = substr($host, 0, $hostPortPosition);
             $port = (int) substr($host, $hostPortPosition + 1);
+            $host = substr($host, 0, $hostPortPosition);
         }
 
         $protocol = 'http';