diff --git a/src/HasParameters.php b/src/HasParameters.php
index fd30bfa..e7d4232 100644
--- a/src/HasParameters.php
+++ b/src/HasParameters.php
@@ -169,7 +169,7 @@ private static function castToString($value): string
         }
 
         if ($value instanceof BackedEnum) {
-            return (string) $value->value;
+            return $value->value;
         }
 
         return (string) $value;