diff --git a/src/main/java/de/mattv/fileserver/data/Token.java b/src/main/java/de/mattv/fileserver/data/Token.java
index 95b5c3b..f17bd00 100644
--- a/src/main/java/de/mattv/fileserver/data/Token.java
+++ b/src/main/java/de/mattv/fileserver/data/Token.java
@@ -27,7 +27,11 @@ public class Token implements Authentication {
     public boolean isAdmin() { return (sudoRealUser != null) || user.admin; }
     public User getRealUser() { return sudoRealUser != null ? sudoRealUser : user; }
 
-    public void unSudo() { if (sudoRealUser != null) user = sudoRealUser; }
+    public void unSudo() {
+        if (sudoRealUser != null)
+            user = sudoRealUser;
+        sudoRealUser = null;
+    }
 
     public void sudo(@NonNull User newUser) {
         if (this.sudoRealUser == null) sudoRealUser = user;