diff --git a/src/main/java/info/bukova/isspst/services/users/UserServiceImpl.java b/src/main/java/info/bukova/isspst/services/users/UserServiceImpl.java
index e35dc814..925fe3cb 100644
--- a/src/main/java/info/bukova/isspst/services/users/UserServiceImpl.java
+++ b/src/main/java/info/bukova/isspst/services/users/UserServiceImpl.java
@@ -18,6 +18,7 @@ import org.exolab.castor.xml.Unmarshaller;
 import org.hibernate.LazyInitializationException;
 import org.hibernate.Query;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
 import org.springframework.security.authentication.encoding.PasswordEncoder;
@@ -98,6 +99,8 @@ public class UserServiceImpl extends AbstractService<User> implements UserServic
 				return (User)loadUserByUsername(((UserDetails)auth.getPrincipal()).getUsername());
 			} catch(UsernameNotFoundException e) {
 				return null;
+			} catch (ClassCastException e) {
+				throw new AccessDeniedException("Timed out");
 			}
 		}