diff --git a/hwproj.front/src/components/Courses/StudentStats.tsx b/hwproj.front/src/components/Courses/StudentStats.tsx
index 8cd990e4a..0c9ae77e3 100644
--- a/hwproj.front/src/components/Courses/StudentStats.tsx
+++ b/hwproj.front/src/components/Courses/StudentStats.tsx
@@ -313,6 +313,7 @@ const StudentStats: React.FC<IStudentStatsProps> = (props) => {
                                             <Stack direction="row" spacing={1}>
                                                 <GroupIcon style={{fontSize: "12px"}}/>
                                                 <div>{studentGroups
+                                                    .filter(g => g.name?.trim())
                                                     .map(r => r.name)
                                                     .join(', ')}</div>
                                             </Stack>