diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
index bffafd67..3c30a6ae 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/response/auth/AuthResponse.java
@@ -40,7 +40,10 @@ public AuthResponse(LaunchServer server, long session, HInput input, HOutput out
     @Override
     public void reply() throws Exception {
         String login = input.readString(SerializeLimits.MAX_LOGIN);
-        String client = input.readString(SerializeLimits.MAX_CLIENT);
+        boolean isClient = input.readBoolean();
+        String client = null;
+        if(isClient)
+            client = input.readString(SerializeLimits.MAX_CLIENT);
         int auth_id = input.readInt();
         long hwid_hdd = input.readLong();
         long hwid_cpu = input.readLong();
@@ -73,17 +76,19 @@ public void reply() throws Exception {
                 AuthProvider.authError(String.format("Illegal result: '%s'", result.username));
                 return;
             }
-            Collection<SignedObjectHolder<ClientProfile>> profiles = server.getProfiles();
-            for (SignedObjectHolder<ClientProfile> p : profiles) {
-                if (p.object.getTitle().equals(client)) {
-                    if (!p.object.isWhitelistContains(login)) {
-                        throw new AuthException(server.config.whitelistRejectString);
+            if(isClient) {
+                Collection<SignedObjectHolder<ClientProfile>> profiles = server.getProfiles();
+                for (SignedObjectHolder<ClientProfile> p : profiles) {
+                    if (p.object.getTitle().equals(client)) {
+                        if (!p.object.isWhitelistContains(login)) {
+                            throw new AuthException(server.config.whitelistRejectString);
+                        }
+                        clientData.profile = p.object;
                     }
-                    clientData.profile = p.object;
                 }
-            }
-            if(clientData.profile == null) {
-                throw new AuthException("You profile not found");
+                if (clientData.profile == null) {
+                    throw new AuthException("You profile not found");
+                }
             }
             server.config.hwidHandler.check(HWID.gen(hwid_hdd, hwid_bios, hwid_cpu), result.username);
         } catch (AuthException | HWIDException e) {
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/texture/RequestTextureProvider.java b/LaunchServer/src/main/java/ru/gravit/launchserver/texture/RequestTextureProvider.java
index 386a7149..face508f 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/texture/RequestTextureProvider.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/texture/RequestTextureProvider.java
@@ -28,7 +28,7 @@ private static Texture getTexture(String url, boolean cloak) throws IOException
     private static String getTextureURL(String url, UUID uuid, String username, String client) {
         return CommonHelper.replace(url, "username", IOHelper.urlEncode(username),
                 "uuid", IOHelper.urlEncode(uuid.toString()), "hash", IOHelper.urlEncode(Launcher.toHash(uuid)),
-                "client", IOHelper.urlEncode(client));
+                "client", IOHelper.urlEncode(client == null ? "unknown" : client));
     }
 
     // Instance
diff --git a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
index 339ea99c..0af81609 100644
--- a/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
+++ b/LauncherAPI/src/main/java/ru/gravit/launcher/request/auth/AuthRequest.java
@@ -67,7 +67,9 @@ public Integer getType() {
     @Override
     protected Result requestDo(HInput input, HOutput output) throws IOException {
         output.writeString(login, SerializeLimits.MAX_LOGIN);
-        output.writeString(Launcher.profile.getTitle(), SerializeLimits.MAX_CLIENT);
+        output.writeBoolean(Launcher.profile != null);
+        if(Launcher.profile != null)
+            output.writeString(Launcher.profile.getTitle(), SerializeLimits.MAX_CLIENT);
         output.writeInt(auth_id);
         output.writeLong(Launcher.isUsingAvanguard() ? GuardBind.avnGetHddId() : 0);
         output.writeLong(Launcher.isUsingAvanguard() ? GuardBind.avnGetCpuid() : 0);