diff --git a/src/types.ts b/src/types.ts
index b82150d..d7f9214 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -8,9 +8,7 @@ export const reviewSchema = object({
     .test(
       "maxDigitsAfterDecimal",
       "Rating can only have at most one integer at half intervals (.0 or .5)",
-      (number) => {
-        !((number! * 10) % 5);
-      },
+      (number) => (number! * 10) % 5 === 0,
     )
     .required(),
   title: string().strict(true).max(50).required(),