diff --git a/packages/better-auth/src/api/routes/sign-up.ts b/packages/better-auth/src/api/routes/sign-up.ts
index 7365208d83..ce3640c9d9 100644
--- a/packages/better-auth/src/api/routes/sign-up.ts
+++ b/packages/better-auth/src/api/routes/sign-up.ts
@@ -24,6 +24,7 @@ export const signUpEmail = <O extends BetterAuthOptions>() =>
 						name: string;
 						email: string;
 						password: string;
+						callbackURL?: string;
 					} & AdditionalUserFieldsInput<O>,
 				},
 				openapi: {