diff --git a/dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/user/DefaultUserService.java b/dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/user/DefaultUserService.java
index d420fbd3e71..c50de1aa82c 100644
--- a/dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/user/DefaultUserService.java
+++ b/dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/user/DefaultUserService.java
@@ -1076,8 +1076,8 @@ public List<UserLookup> getLinkedUserAccounts(@Nonnull User actingUser) {
   }
 
   @Override
-  public void invalidateUserSessions(String username) {
-    User user = getUserByUsername(username);
+  public void invalidateUserSessions(String userUid) {
+    User user = getUser(userUid);
     UserDetails userDetails = createUserDetails(user);
     if (userDetails != null) {
       List<SessionInformation> allSessions = sessionRegistry.getAllSessions(userDetails, false);