diff --git a/Screenshot.png b/Screenshot.png
index 86732c7..3f42d95 100644
Binary files a/Screenshot.png and b/Screenshot.png differ
diff --git a/com.github.donadigo.appeditor.json b/com.github.donadigo.appeditor.json
index 5dc5aaf..264edfe 100644
--- a/com.github.donadigo.appeditor.json
+++ b/com.github.donadigo.appeditor.json
@@ -1,7 +1,7 @@
 {
     "app-id": "com.github.donadigo.appeditor",
     "runtime": "io.elementary.Platform",
-    "runtime-version": "6",
+    "runtime-version": "6.1",
     "sdk": "io.elementary.Sdk",
     "command": "appeditor-wrapper",
     "finish-args": [
diff --git a/data/com.github.donadigo.appeditor.appdata.xml.in b/data/com.github.donadigo.appeditor.appdata.xml.in
index 79f4603..4b7c4ee 100644
--- a/data/com.github.donadigo.appeditor.appdata.xml.in
+++ b/data/com.github.donadigo.appeditor.appdata.xml.in
@@ -31,6 +31,11 @@
     </screenshot>
   </screenshots>
   <releases>
+    <release version="1.1.3" date="2021-12-18">
+      <description>
+        <p>This release updates AppEditor for elementary OS 6.1.</p>
+      </description>
+    </release>
     <release version="1.1.2" date="2021-12-18">
       <description>
         <p>This release makes AppEditor available on elementary OS 6.0.</p>
diff --git a/src/DesktopApp.vala b/src/DesktopApp.vala
index 638ea0c..7c24ad1 100644
--- a/src/DesktopApp.vala
+++ b/src/DesktopApp.vala
@@ -78,20 +78,15 @@ public class AppEditor.DesktopApp : Object {
     public void open_default_handler () throws Error {
         // Gtk.show_uri_on_window does not seem to fully work in a Flatpak environment
         // so instead we directly call the freedesktop OpenURI DBus interface instead.
-        var file = File.new_for_path (info.get_filename ());
-        InputStream ios = file.read ();
-        var stream = new UnixInputStream (((UnixInputStream)ios).get_fd (), true);
+        int fd = Posix.open (info.get_filename (), Posix.O_RDONLY);
         try {
             var portal = get_desktop_portal ();
             if (portal != null) {
-                portal.open_file ("", stream, new GLib.HashTable<string, GLib.Variant> (null, null));
+                portal.open_file ("", new UnixInputStream(fd, true), new GLib.HashTable<string, GLib.Variant> (null, null));
             }
         } catch (Error e) {
-            stream.close ();
             throw e;
         }
-
-        stream.close ();
     }
 
     public bool get_only_local () {