Org plugin is ignoring additional fields on teams

export const auth = betterAuth({
        ...
    database: prismaAdapter(db, {
        provider: "postgresql"
    }),
    plugins: [
        ...
        organization({
            teams: {
                enabled: true,
                defaultTeam: {
                    enabled: false
                },
                additionalFields: {
                    slug: {
                        type: "string",
                        required: true
                    }
                }
            }
        }),
        nextCookies()
    ],
    ...
})

const team = await auth.api.createTeam({
                    body: {
                        name: input.name,
                        slug: input.slug,
                        organizationId: input.organizationId
                    },
                    headers: ctx.headers
                })