diff --git a/test/Service/ConfigProviderIntegrationTest.php b/test/Service/ConfigProviderIntegrationTest.php
index ee97642d..3ea15227 100644
--- a/test/Service/ConfigProviderIntegrationTest.php
+++ b/test/Service/ConfigProviderIntegrationTest.php
@@ -78,7 +78,7 @@ public function servicesProvidedByConfigProvider(): Generator
     private static function assertMappedWithStrings(mixed $iterable): void
     {
         if (! is_array($iterable)) {
-            throw new InvalidArgumentException('Expecting value to be iterable.');
+            throw new InvalidArgumentException('Expecting value to be an array.');
         }
 
         foreach (array_keys($iterable) as $value) {