diff --git a/tests/parsers/ShortcodeParserTest.php b/tests/parsers/ShortcodeParserTest.php
index 85dcaa3b4..112b1efab 100644
--- a/tests/parsers/ShortcodeParserTest.php
+++ b/tests/parsers/ShortcodeParserTest.php
@@ -242,7 +242,7 @@ class ShortcodeParserTest extends SapphireTest {
 			$this->parser->parse('<script>[2]</script>')
 		);
 
-		$this->parser->register('2', function($attributes, $content, $this, $tag, $extra) {
+		$this->parser->register('2', function() {
 			return 'this is 2';
 		});