diff --git a/Package.swift b/Package.swift
index 8210855..7b5ea00 100644
--- a/Package.swift
+++ b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:5.6
+// swift-tools-version:5.9
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
diff --git a/Sources/DebugMenu/Plugin/DebugMenu/UI/EnvelopePreviewTableViewController.swift b/Sources/DebugMenu/Plugin/DebugMenu/UI/EnvelopePreviewTableViewController.swift
index 8651852..2c55b96 100644
--- a/Sources/DebugMenu/Plugin/DebugMenu/UI/EnvelopePreviewTableViewController.swift
+++ b/Sources/DebugMenu/Plugin/DebugMenu/UI/EnvelopePreviewTableViewController.swift
@@ -39,7 +39,8 @@ class EnvelopePreviewTableViewController: UITableViewController {
 
     private func fetch() {
         Task { [weak self] in
-            let envelops = await fetcher()
+            let envelops = await self?.fetcher()
+            guard let envelops else { return }
             self?.envelops = envelops
             self?.tableView.refreshControl?.endRefreshing()
             self?.tableView.reloadData()