diff --git a/includes/classes/StatusReport/LastSync.php b/includes/classes/StatusReport/LastSync.php
index badc3c968c..53f7e99dc1 100644
--- a/includes/classes/StatusReport/LastSync.php
+++ b/includes/classes/StatusReport/LastSync.php
@@ -111,7 +111,7 @@ public function get_groups() : array {
 				'value' => $value,
 			];
 		}
-		$title = $sync_info['start_date_time'];
+		$title = $sync_info['start_date_time'] ?? '';
 		if ( false !== \ElasticPress\Utils\get_indexing_status() ) {
 			/* translators: last sync title */
 			$title = sprintf( __( '%s (In Progress)', 'elasticpress' ), $title );