diff --git a/tests/phpunit/tests/user.php b/tests/phpunit/tests/user.php
index 23dc291124..0d2f29e4d6 100644
--- a/tests/phpunit/tests/user.php
+++ b/tests/phpunit/tests/user.php
@@ -614,7 +614,7 @@ class Tests_User extends WP_UnitTestCase {
 		if ( is_multisite() ) {
 			$this->assertFalse( validate_username( 'JohnDoe' ) );
 		} else {
-			$this->assertTue( validate_username( 'JohnDoe' ) );
+			$this->assertTrue( validate_username( 'JohnDoe' ) );
 		}
 	}