diff --git a/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeNumberFormatNoFourthArgRector/Fixture/skip_no_third_arg.php.inc b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeNumberFormatNoFourthArgRector/Fixture/skip_no_third_arg.php.inc
new file mode 100644
index 00000000000..a062183a889
--- /dev/null
+++ b/rules-tests/DowngradePhp80/Rector/FuncCall/DowngradeNumberFormatNoFourthArgRector/Fixture/skip_no_third_arg.php.inc
@@ -0,0 +1,11 @@
+<?php
+
+namespace Rector\Tests\DowngradePhp80\Rector\FuncCall\DowngradeNumberFormatNoFourthArgRector\Fixture;
+
+class SkipNoThirdArg
+{
+    public function run(float $data)
+    {
+        return number_format($data, 2);
+    }
+}