diff --git a/includes/classes/Command.php b/includes/classes/Command.php
index 4453c43a1f..75236f5c21 100644
--- a/includes/classes/Command.php
+++ b/includes/classes/Command.php
@@ -424,6 +424,9 @@ protected function get_index_names() {
 			}
 
 			foreach ( $sites as $site ) {
+				if ( ! Utils\is_site_indexable( $site['blog_id'] ) ) {
+					continue;
+				}
 				$non_global_indexes[] = $indexable->get_index_name( $site['blog_id'] );
 			}
 		}