diff --git a/wp-includes/default-constants.php b/wp-includes/default-constants.php
index b252f43863..d7f6bbe1d1 100644
--- a/wp-includes/default-constants.php
+++ b/wp-includes/default-constants.php
@@ -75,11 +75,11 @@ function wp_initial_constants() {
 
 	// Constants for expressing human-readable intervals
 	// in their respective number of seconds.
- 	define( 'MINUTE_IN_SECONDS', 60 );
- 	define( 'HOUR_IN_SECONDS',   60 * MINUTE_IN_SECONDS );
- 	define( 'DAY_IN_SECONDS',    24 * HOUR_IN_SECONDS   );
+	define( 'MINUTE_IN_SECONDS', 60 );
+	define( 'HOUR_IN_SECONDS',   60 * MINUTE_IN_SECONDS );
+	define( 'DAY_IN_SECONDS',    24 * HOUR_IN_SECONDS   );
 	define( 'WEEK_IN_SECONDS',    7 * DAY_IN_SECONDS    );
- 	define( 'YEAR_IN_SECONDS',  365 * DAY_IN_SECONDS    );
+	define( 'YEAR_IN_SECONDS',  365 * DAY_IN_SECONDS    );
 }
 
 /**