diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
index 54b3f738..ef403ecc 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/command/hash/DownloadClientCommand.java
@@ -15,6 +15,7 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Collections;
+import java.util.UUID;
 
 public final class DownloadClientCommand extends Command {
 
@@ -61,6 +62,7 @@ public void invoke(String... args) throws IOException, CommandException {
         }
         client.setTitle(dirName);
         client.setDir(dirName);
+        client.setUUID(UUID.randomUUID());
         try (BufferedWriter writer = IOHelper.newWriter(IOHelper.resolveIncremental(server.profilesDir,
                 dirName, "json"))) {
             Launcher.gsonManager.configGson.toJson(client, writer);
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
index 8ef8ea5f..3530d993 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
@@ -86,6 +86,8 @@ public String toString() {
     @LauncherAPI
     private int sortIndex;
     @LauncherAPI
+    private UUID uuid;
+    @LauncherAPI
     private String title;
     @LauncherAPI
     private String info;
@@ -384,11 +386,19 @@ public void setVersion(Version version) {
         this.version = version.name;
     }
 
+    public void setUUID(UUID uuid) {
+        this.uuid = uuid;
+    }
+
     @Override
     public String toString() {
         return title;
     }
 
+    public UUID getUUID() {
+        return uuid;
+    }
+
     @LauncherAPI
     public void verify() {
         // Version