diff --git a/src/Generator/Operation.php b/src/Generator/Operation.php
index 2c56d3a..2ccf5f2 100644
--- a/src/Generator/Operation.php
+++ b/src/Generator/Operation.php
@@ -123,7 +123,7 @@ public static function generate(string $path, string $method, string $namespace,
                                 [
                                     new Node\Expr\Array_(array_map(static fn (string $key): Node\Expr\ArrayItem => new Node\Expr\ArrayItem(new Node\Scalar\String_($key)), array_keys($requestReplaces))),
                                     new Node\Expr\Array_(array_values($requestReplaces)),
-                                    new Node\Scalar\String_($path . '?' . implode('&', $query)),
+                                    new Node\Scalar\String_(rtrim($path . '?' . implode('&', $query), '?')),
                                 ]
                             )),
                         ]