diff --git a/src/utils.ts b/src/utils.ts
index 990aedaa..77ce9d74 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -256,7 +256,7 @@ export type IsRecord<T> = T extends object
  * Check if a type is a class type.
  */
 
-export type IsClass<T> = T extends { new(...args: any[]): any } ? T : never;
+export type IsClass<T> = T extends { new (...args: any[]): any } ? T : never
 
 /**
  * Check if a type is a tuple.
@@ -383,7 +383,7 @@ export type StructSchema<T> = [T] extends [string | undefined | null]
   : T extends object
   ? T extends IsClass<T>
     ? null
-  : T extends IsRecord<T>
+    : T extends IsRecord<T>
     ? null
     : { [K in keyof T]: Describe<T[K]> }
   : null