diff --git a/Tests/Caster/SplCasterTest.php b/Tests/Caster/SplCasterTest.php
index ecc96d4..d232659 100644
--- a/Tests/Caster/SplCasterTest.php
+++ b/Tests/Caster/SplCasterTest.php
@@ -104,7 +104,7 @@ public function testCastFileObject()
   flags: DROP_NEW_LINE|SKIP_EMPTY
   maxLineLen: 0
   fstat: array:26 [
-    "dev" => %d
+    "dev" => %i
     "ino" => %i
     "nlink" => %d
     "rdev" => 0