diff --git a/src/Client.php b/src/Client.php
index 6b25cef6..fe525955 100644
--- a/src/Client.php
+++ b/src/Client.php
@@ -264,10 +264,8 @@ public function request(string $method, string $uri, array $parameters = [], arr
             throw new \InvalidArgumentException('The history always change when using WebDriver.');
         }
 
-        foreach (['parameters', 'files', 'server'] as $arg) {
-            if ([] !== $$arg) {
-                throw new \InvalidArgumentException(sprintf('The parameter "$%s" is not supported when using WebDriver.', $arg));
-            }
+        if ([] !== $parameters || [] !== $files || [] !== $server) {
+            throw new \InvalidArgumentException('The arguments $parameters, $files, and $server are not supported when using WebDriver.');
         }
 
         $this->get($uri);