diff --git a/src/frontend/src/components/layout/help/TheHelpSystem.vue b/src/frontend/src/components/layout/help/TheHelpSystem.vue
index 4650458..c41b61b 100644
--- a/src/frontend/src/components/layout/help/TheHelpSystem.vue
+++ b/src/frontend/src/components/layout/help/TheHelpSystem.vue
@@ -86,7 +86,7 @@ export default {
   flex-direction: column;
   gap: 1.6rem;
   width: min(80vw, 180rem);
-  height: min(80vh, 120rem);
+  height: min(90vh, 120rem);
   min-height: 0;
 }
 
diff --git a/src/main/java/de/avatic/lcc/repositories/rates/ValidityPeriodRepository.java b/src/main/java/de/avatic/lcc/repositories/rates/ValidityPeriodRepository.java
index 38b0790..2405473 100644
--- a/src/main/java/de/avatic/lcc/repositories/rates/ValidityPeriodRepository.java
+++ b/src/main/java/de/avatic/lcc/repositories/rates/ValidityPeriodRepository.java
@@ -278,7 +278,9 @@ public class ValidityPeriodRepository {
                 + whereClause + """
                 GROUP BY
                     cj.validity_period_id,
-                    cj.property_set_id
+                    cj.property_set_id,
+                    ps.start_date,
+                    vp.start_date
                 HAVING
                     COUNT(DISTINCT COALESCE(p.supplier_node_id, p.user_supplier_node_id)) = ?
                 ORDER BY