diff --git a/types/Types.ts b/types/Types.ts
index f0299fb..1f94ae1 100644
--- a/types/Types.ts
+++ b/types/Types.ts
@@ -88,7 +88,7 @@ export type DayData = {
 }
 
 /** Veškerá data pro zobrazení na klientovi. */
-export type ClientData extends DayData = {
+export type ClientData = DayData & {
     todayWeekIndex?: number, // index dnešního dne v týdnu (0-6)
 }