"Assignee" not displayed on Change's tasks

When I click first on a change, and then click on the "tasks"' tab, the names of the assignees does not appear under the column "Assignee" for each task created. 

If I want them to be displayed, I either need:

• To refresh
• To click on "Tasks" directly from the Change dashboard

Even though it's not a critical problem, this is quite inconvenient and should not occur.

Could you please have a look on it? 

Thanks!