diff --git src/wp-admin/includes/ms.php src/wp-admin/includes/ms.php
index b2e4f86..d41bdea 100644
--- src/wp-admin/includes/ms.php
+++ src/wp-admin/includes/ms.php
@@ -66,7 +66,7 @@ function wpmu_delete_blog( $blog_id, $drop = false ) {
 		switch_to_blog( $blog_id );
 	}
 
-	$blog = get_blog_details( $blog_id );
+	$blog = get_site( $blog_id );
 	/**
 	 * Fires before a site is deleted.
 	 *