diff --git a/src/Http/HttpRequest.php b/src/Http/HttpRequest.php
index 8f4e57f..1cff159 100644
--- a/src/Http/HttpRequest.php
+++ b/src/Http/HttpRequest.php
@@ -1,7 +1,7 @@
 <?php
 // HttpRequest.php
 // Created: 2022-02-08
-// Updated: 2023-01-01
+// Updated: 2023-01-07
 
 namespace Index\Http;
 
@@ -44,8 +44,8 @@ class HttpRequest extends HttpMessage {
         return $this->path;
     }
 
-    public function getParamString(): string {
-        return http_build_query($this->params);
+    public function getParamString(bool $spacesAsPlus = false): string {
+        return http_build_query($this->params, '', '&', $spacesAsPlus ? PHP_QUERY_RFC1738 : PHP_QUERY_RFC3986);
     }
 
     public function getParams(): array {