diff --git a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
index 7ee61ac1..86531160 100644
--- a/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
+++ b/Launcher/src/main/java/ru/gravit/launcher/client/ClientLauncher.java
@@ -176,9 +176,13 @@ public void write(HOutput output) throws IOException {
     private static PublicURLClassLoader classLoader;
     public static class ClientUserProperties
     {
+        @LauncherAPI
         String[] skinURL;
+        @LauncherAPI
         String[] skinDigest;
+        @LauncherAPI
         String[] cloakURL;
+        @LauncherAPI
         String[] cloakDigest;
     }
     private static void addClientArgs(Collection<String> args, ClientProfile profile, Params params) {