diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
index 7676bdab..10d7a976 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/auth/session/MemorySessionStorage.java
@@ -9,8 +9,8 @@
 
 public class MemorySessionStorage extends SessionStorage implements NeedGarbageCollection {
 
-    private final Map<UUID, Entry> clientSet = new ConcurrentHashMap<>(128);
-    private final Map<UUID, Set<Entry>> uuidIndex = new ConcurrentHashMap<>(32);
+    private transient final Map<UUID, Entry> clientSet = new ConcurrentHashMap<>(128);
+    private transient final Map<UUID, Set<Entry>> uuidIndex = new ConcurrentHashMap<>(32);
 
     @Override
     public byte[] getSessionData(UUID session) {