diff --git a/src/tests.ts b/src/tests.ts
index 2c15f27..e272e30 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -26,7 +26,7 @@ const exp = zodSchemaClass
 @exp.staticImplements
 class User extends exp.extends implements Implements<typeof exp> {}
 
-const inst = User.create({ id: 1n, name: "User" })
+const inst = User.create({ id: 1n, name: "User" }, )
 // console.log(inst.name)
 const instEffect = User.createEffect({ id: 1n, name: "User" })
 
diff --git a/src/traits/ZodSchemaObject.ts b/src/traits/ZodSchemaObject.ts
index 08b3680..18cc34e 100644
--- a/src/traits/ZodSchemaObject.ts
+++ b/src/traits/ZodSchemaObject.ts
@@ -4,12 +4,10 @@ import { z } from "zod"
 import { parseZodSchemaEffect } from "../util"
 
 
-type ParseParamsArgs = [] | [params: Partial<z.ParseParams>]
-
-type NewZodSchemaInstanceArgs<Input extends object> = (
+type CreateArgs<Input extends object> = (
     HasRequiredKeys<Input> extends true
-        ? [values: Input, ...args: ParseParamsArgs]
-        : [] | [values: Input, ...args: ParseParamsArgs]
+        ?      [values: Input, params?: Partial<z.ParseParams>]
+        : [] | [values: Input, params?: Partial<z.ParseParams>]
 )
 
 
@@ -55,7 +53,7 @@ export const ZodSchemaObject = <
                 Class<Instance, [values: Values]> &
                 ImplStatic<typeof ZodSchemaObject>
             ),
-            ...[values, params]: NewZodSchemaInstanceArgs<PartialValues>
+            ...[values, params]: CreateArgs<PartialValues>
         ) {
             return this
                 .transform(this.schemaWithDefaultsValues)
@@ -69,7 +67,7 @@ export const ZodSchemaObject = <
                 Class<Instance, [values: Values]> &
                 ImplStatic<typeof ZodSchemaObject>
             ),
-            ...[values, params]: NewZodSchemaInstanceArgs<PartialValues>
+            ...[values, params]: CreateArgs<PartialValues>
         ) {
             return this
                 .transform(this.schemaWithDefaultsValues)
@@ -83,7 +81,7 @@ export const ZodSchemaObject = <
                 Class<Instance, [values: Values]> &
                 ImplStatic<typeof ZodSchemaObject>
             ),
-            ...[values, params]: NewZodSchemaInstanceArgs<PartialValues>
+            ...[values, params]: CreateArgs<PartialValues>
         ) {
             return parseZodSchemaEffect(
                 this.transform(this.schemaWithDefaultsValues),