diff --git a/includes/class-wcpdf-admin.php b/includes/class-wcpdf-admin.php
index 3ed5d79f6..9a14ef45e 100644
--- a/includes/class-wcpdf-admin.php
+++ b/includes/class-wcpdf-admin.php
@@ -1348,7 +1348,9 @@ public function ajax_fetch_pdf_document_data(): void {
 			wp_send_json_success( $documents_data );
 		}
 
-		wp_die();
+		wp_send_json_error( array(
+			'message' => esc_html__( 'Documents data is empty!', 'woocommerce-pdf-invoices-packing-slips' ),
+		) );
 	}
 
 }