diff --git a/canaille/models.py b/canaille/models.py
index 6e5fb23e..cf59e772 100644
--- a/canaille/models.py
+++ b/canaille/models.py
@@ -171,7 +171,11 @@ class Group(LDAPObject):
         return self[attribute][0]
 
     def get_members(self, conn=None):
-        return [User.get(dn=user_dn, conn=conn) for user_dn in self.member]
+        return [
+            User.get(dn=user_dn, conn=conn)
+            for user_dn in self.member
+            if User.get(dn=user_dn, conn=conn)
+        ]
 
     def add_member(self, user, conn=None):
         self.member = self.member + [user.dn]
diff --git a/tests/test_groups.py b/tests/test_groups.py
index 73531b35..764039ae 100644
--- a/tests/test_groups.py
+++ b/tests/test_groups.py
@@ -98,3 +98,22 @@ def test_simple_user_cannot_view_or_edit_groups(
     testclient.get("/groups", status=403)
     testclient.get("/groups/add", status=403)
     testclient.get("/groups/foo", status=403)
+
+
+def test_get_members_filters_non_existent_user(
+    testclient, slapd_connection, logged_moderator, foo_group, user
+):
+    # an LDAP group can be inconsistent by containing members which doesn't exist
+    with testclient.app.app_context():
+        non_existent_user_dn = user.dn.replace(user.name, "yolo")
+        foo_group.member = foo_group.member + [non_existent_user_dn]
+        foo_group.save(conn=slapd_connection)
+
+    with testclient.app.app_context():
+        foo_members = foo_group.get_members(conn=slapd_connection)
+
+    assert foo_group.member == [user.dn, non_existent_user_dn]
+    assert len(foo_members) == 1
+    assert foo_members[0].dn == user.dn
+
+    testclient.get("/groups/foo", status=200)