diff --git a/src/main/java/de/ph87/tools/user/UserService.java b/src/main/java/de/ph87/tools/user/UserService.java
index 3569bc2..91a0afb 100644
--- a/src/main/java/de/ph87/tools/user/UserService.java
+++ b/src/main/java/de/ph87/tools/user/UserService.java
@@ -89,12 +89,13 @@ public class UserService {
   }
 
   private static void writeUserUuidCookie(@NonNull final HttpServletResponse response, @Nullable final User user) {
-    final Cookie userUuidCookie = new Cookie(USER_UUID_COOKIE_NAME, "");
+    final Cookie cookie = new Cookie(USER_UUID_COOKIE_NAME, "");
     if (user != null) {
-      userUuidCookie.setValue(user.privateUuid);
+      cookie.setValue(user.privateUuid);
     }
-    userUuidCookie.setPath("/");
-    response.addCookie(userUuidCookie);
+    cookie.setMaxAge(10 * 365 * 24 * 60 * 60);
+    cookie.setPath("/");
+    response.addCookie(cookie);
   }
 
   @NonNull