diff --git a/app/vkk/workhours/accounting/departments/views.py b/app/vkk/workhours/accounting/departments/views.py
index 30f1af93a6b86aef8340c283aba0b8bc0f0074c4..c012f4eed2986ce0430a235f9a024395d13548ee 100644
--- a/app/vkk/workhours/accounting/departments/views.py
+++ b/app/vkk/workhours/accounting/departments/views.py
@@ -53,7 +53,7 @@ class EvaluationView(AccountantRequiredMixin, FormView):
                         hours \
                     FROM assignments JOIN vkk_workhours \
                         ON assignments.assignment_id = vkk_workhours.project_assignment_id \
-                    UNION \
+                    UNION ALL \
                     SELECT \
                         project_id, \
                         project_start, \