diff --git a/Program.cs b/Program.cs
index 0777028..ca81910 100644
--- a/Program.cs
+++ b/Program.cs
@@ -324,8 +324,14 @@ public static void Main(string[] args)
                     // ppy|osu|latest stands for https://github.com/ppy/osu and get the latest release
                     // osu.AppImage.zsync is AppImage update information file, that is generated by the tool
                     // more information there https://docs.appimage.org/packaging-guide/optional/updates.html?highlight=update#using-appimagetool
+                    // also sets a VERSION environment variable that creates a X-AppImage-Version key in the .desktop file inside the AppImage
+                    // for information about this key: https://docs.appimage.org/reference/desktop-integration.html#custom-keys-introduced-for-appimage-purposes
                     runCommand(appImageToolPath,
-                        $"\"{stagingTarget}\" -u \"gh-releases-zsync|ppy|osu|latest|osu.AppImage.zsync\" \"{Path.Combine(Environment.CurrentDirectory, "releases")}/osu.AppImage\" --sign", false);
+                        $"\"{stagingTarget}\" -u \"gh-releases-zsync|ppy|osu|latest|osu.AppImage.zsync\" \"{Path.Combine(Environment.CurrentDirectory, "releases")}/osu.AppImage\" --sign", false,
+                        new Dictionary<string, string>
+                        {
+                            ["VERSION"] = version
+                        });
 
                     // mark finally the osu! AppImage as executable -> Don't compress it.
                     runCommand("chmod", $"+x \"{Path.Combine(Environment.CurrentDirectory, "releases")}/osu.AppImage\"");
@@ -620,7 +626,7 @@ private static void findSolutionPath()
             solutionPath = path;
         }
 
-        private static bool runCommand(string command, string args, bool useSolutionPath = true)
+        private static bool runCommand(string command, string args, bool useSolutionPath = true, Dictionary<string, string>? environmentVariables = null)
         {
             write($"Running {command} {args}...");
 
@@ -634,6 +640,12 @@ private static bool runCommand(string command, string args, bool useSolutionPath
                 WindowStyle = ProcessWindowStyle.Hidden
             };
 
+            if (environmentVariables != null)
+            {
+                foreach (var pair in environmentVariables)
+                    psi.EnvironmentVariables.Add(pair.Key, pair.Value);
+            }
+
             Process? p = Process.Start(psi);
             if (p == null) return false;