diff --git a/tests/ArgParserTest.php b/tests/ArgParserTest.php
index 7636392..5988a57 100644
--- a/src/ArgParser.php
+++ b/src/ArgParser.php
@@ -21,7 +21,7 @@ class ArgParserTest extends TestCase
         ];
 
         $argParser = new ArgParser($args);
-        $this->assertSame("file", $argParser->getArg(1));
+            $this->assertSame("file", $argParser->getArg(1));
         $this->assertSame("file2", $argParser->getArg(2));
         $this->assertNull($argParser->getArg(3));
     }
