diff --git a/stores/calculation/values/index.ts b/stores/calculation/values/index.ts
index a2c5961..7e475d6 100644
--- a/stores/calculation/values/index.ts
+++ b/stores/calculation/values/index.ts
@@ -21,11 +21,11 @@ export class ValuesStore {
     return this.#values[valueName];
   }
 
-  getValues(valuesNames: Values[]) {
+  getValues<K extends Values>(valuesNames: readonly K[]) {
     return valuesNames.reduce((values, valueName) => {
       values[valueName] = this.#values[valueName];
       return values;
-    }, {} as CalculationValues);
+    }, {} as Record<K, any>);
   }
 
   setValue(valueName: Values, value: any) {