diff --git a/src/core/types/Calculation/Store/effect.ts b/src/core/types/Calculation/Store/effect.ts
index ce619c7..1e493c8 100644
--- a/src/core/types/Calculation/Store/effect.ts
+++ b/src/core/types/Calculation/Store/effect.ts
@@ -19,7 +19,7 @@ export interface IReactionEffect {
   ): {
     expression: (r: IReactionPublic) => any;
     effect: (arg: any, prev: any, r: IReactionPublic) => void;
-    options?: IReactionOptions;
+    options?: IReactionOptions<any>;
   };
 }