diff --git a/src/client/stores/CalculationStore/Effects/reactions/gibddReactions.ts b/src/client/stores/CalculationStore/Effects/reactions/gibddReactions.ts
index 6d245ae..e444a65 100644
--- a/src/client/stores/CalculationStore/Effects/reactions/gibddReactions.ts
+++ b/src/client/stores/CalculationStore/Effects/reactions/gibddReactions.ts
@@ -588,7 +588,10 @@ const gibddReactions: IReactionEffect[] = [
 
   calculationStore => ({
     expression: () => {
-      return calculationStore.getValue('regionRegistration');
+      return calculationStore.getValues([
+        'regionRegistration',
+        'objectRegistration',
+      ]);
     },
     effect: () => {
       const objectRegistration = calculationStore.getValue(