diff --git a/Uri/Http.php b/Uri/Http.php
index 4c9e72624..6e6046894 100644
--- a/Uri/Http.php
+++ b/Uri/Http.php
@@ -174,7 +174,7 @@ final class Http implements UriInterface
         $this->query = \array_change_key_case($this->query, CASE_LOWER);
 
         $this->fragment = $url['fragment'] ?? '';
-        $this->base     = $this->scheme . '://' . $this->host . $this->rootPath;
+        $this->base     = $this->scheme . '://' . $this->host . ($this->port !== 80 ? ':' . $this->port : '') . $this->rootPath;
     }
 
     /**