diff --git a/launcher/src/main/java/com/skcraft/launcher/selfupdate/LatestVersionInfo.java b/launcher/src/main/java/com/skcraft/launcher/selfupdate/LatestVersionInfo.java
index b299a3c..58f264f 100644
--- a/launcher/src/main/java/com/skcraft/launcher/selfupdate/LatestVersionInfo.java
+++ b/launcher/src/main/java/com/skcraft/launcher/selfupdate/LatestVersionInfo.java
@@ -15,5 +15,6 @@ public class LatestVersionInfo {
 
     private String version;
     private URL url;
+    private boolean packed = true;
 
 }
diff --git a/launcher/src/main/java/com/skcraft/launcher/selfupdate/SelfUpdater.java b/launcher/src/main/java/com/skcraft/launcher/selfupdate/SelfUpdater.java
index 4155df6..6f14105 100644
--- a/launcher/src/main/java/com/skcraft/launcher/selfupdate/SelfUpdater.java
+++ b/launcher/src/main/java/com/skcraft/launcher/selfupdate/SelfUpdater.java
@@ -25,12 +25,14 @@ public class SelfUpdater implements Callable<File>, ProgressObservable {
     private final Launcher launcher;
     private final URL url;
     private final Installer installer;
+    private final boolean packed;
     private ProgressObservable progress = new DefaultProgress(0, SharedLocale.tr("updater.updating"));
 
-    public SelfUpdater(@NonNull Launcher launcher, @NonNull URL url) {
+    public SelfUpdater(@NonNull Launcher launcher, @NonNull URL url, boolean packed) {
         this.launcher = launcher;
         this.url = url;
         this.installer = new Installer(launcher.getInstallerDir());
+        this.packed = packed;
     }
 
     @Override
@@ -38,9 +40,10 @@ public class SelfUpdater implements Callable<File>, ProgressObservable {
         ExecutorService executor = Executors.newSingleThreadExecutor();
 
         try {
+            String extension = packed ? ".jar.pack" : ".jar";
             File dir = launcher.getLauncherBinariesDir();
-            File file = new File(dir, String.valueOf(System.currentTimeMillis()) + ".jar.pack");
-            File tempFile = installer.getDownloader().download(url, "", 10000, "launcher.jar.pack");
+            File file = new File(dir, System.currentTimeMillis() + extension);
+            File tempFile = installer.getDownloader().download(url, "", 10000, "launcher" + extension);
 
             progress = installer.getDownloader();
             installer.download();
diff --git a/launcher/src/main/java/com/skcraft/launcher/selfupdate/UpdateChecker.java b/launcher/src/main/java/com/skcraft/launcher/selfupdate/UpdateChecker.java
index 8373916..2acfc1e 100644
--- a/launcher/src/main/java/com/skcraft/launcher/selfupdate/UpdateChecker.java
+++ b/launcher/src/main/java/com/skcraft/launcher/selfupdate/UpdateChecker.java
@@ -21,7 +21,7 @@ import java.util.concurrent.Callable;
  * if there is an update to be downloaded.
  */
 @Log
-public class UpdateChecker implements Callable<URL> {
+public class UpdateChecker implements Callable<LatestVersionInfo> {
 
     private final Launcher launcher;
 
@@ -30,7 +30,7 @@ public class UpdateChecker implements Callable<URL> {
     }
 
     @Override
-    public URL call() throws Exception {
+    public LatestVersionInfo call() throws Exception {
         try {
             UpdateChecker.log.info("Checking for update...");
 
@@ -49,7 +49,7 @@ public class UpdateChecker implements Callable<URL> {
 
             if (latest.compareTo(current) >= 1) {
                 UpdateChecker.log.info("Update available at " + versionInfo.getUrl());
-                return versionInfo.getUrl();
+                return versionInfo;
             } else {
                 UpdateChecker.log.info("No update required.");
                 return null;
diff --git a/launcher/src/main/java/com/skcraft/launcher/update/UpdateManager.java b/launcher/src/main/java/com/skcraft/launcher/update/UpdateManager.java
index b1a4daa..27ad877 100644
--- a/launcher/src/main/java/com/skcraft/launcher/update/UpdateManager.java
+++ b/launcher/src/main/java/com/skcraft/launcher/update/UpdateManager.java
@@ -12,6 +12,7 @@ import com.google.common.util.concurrent.ListenableFuture;
 import com.skcraft.concurrency.ObservableFuture;
 import com.skcraft.launcher.Launcher;
 import com.skcraft.launcher.dialog.ProgressDialog;
+import com.skcraft.launcher.selfupdate.LatestVersionInfo;
 import com.skcraft.launcher.selfupdate.SelfUpdater;
 import com.skcraft.launcher.selfupdate.UpdateChecker;
 import com.skcraft.launcher.swing.SwingHelper;
@@ -31,7 +32,7 @@ public class UpdateManager {
     @Getter
     private final SwingPropertyChangeSupport propertySupport = new SwingPropertyChangeSupport(this);
     private final Launcher launcher;
-    private URL pendingUpdateUrl;
+    private LatestVersionInfo pendingUpdate;
 
     public UpdateManager(Launcher launcher) {
         this.launcher = launcher;
@@ -46,15 +47,15 @@ public class UpdateManager {
     }
 
     public boolean getPendingUpdate() {
-        return pendingUpdateUrl != null;
+        return pendingUpdate != null;
     }
 
     public void checkForUpdate() {
-        ListenableFuture<URL> future = launcher.getExecutor().submit(new UpdateChecker(launcher));
+        ListenableFuture<LatestVersionInfo> future = launcher.getExecutor().submit(new UpdateChecker(launcher));
 
-        Futures.addCallback(future, new FutureCallback<URL>() {
+        Futures.addCallback(future, new FutureCallback<LatestVersionInfo>() {
             @Override
-            public void onSuccess(URL result) {
+            public void onSuccess(LatestVersionInfo result) {
                 if (result != null) {
                     requestUpdate(result);
                 }
@@ -68,10 +69,10 @@ public class UpdateManager {
     }
 
     public void performUpdate(final Window window) {
-        final URL url = pendingUpdateUrl;
+        final URL url = pendingUpdate.getUrl();
 
         if (url != null) {
-            SelfUpdater downloader = new SelfUpdater(launcher, url);
+            SelfUpdater downloader = new SelfUpdater(launcher, url, pendingUpdate.isPacked());
             ObservableFuture<File> future = new ObservableFuture<File>(
                     launcher.getExecutor().submit(downloader), downloader);
 
@@ -79,7 +80,7 @@ public class UpdateManager {
                 @Override
                 public void onSuccess(File result) {
                     propertySupport.firePropertyChange("pendingUpdate", true, false);
-                    UpdateManager.this.pendingUpdateUrl = null;
+                    UpdateManager.this.pendingUpdate = null;
 
                     SwingHelper.showMessageDialog(
                             window,
@@ -101,9 +102,9 @@ public class UpdateManager {
         }
     }
 
-    private void requestUpdate(URL url) {
+    private void requestUpdate(LatestVersionInfo url) {
         propertySupport.firePropertyChange("pendingUpdate", getPendingUpdate(), url != null);
-        this.pendingUpdateUrl = url;
+        this.pendingUpdate = url;
     }