Hi, Consider this: **FieldBaseFragment.gql** ``` fragment FieldBaseFragment on Field { id } ``` **FieldDetailFragment.gql** ``` #import "./FieldBaseFragment.gql" fragment FieldDetailFragment on Field { ...FieldBaseFragment name } ``` **mutations.js** ``` import gql from 'graphql-tag' import FieldDetailFragment from './FieldDetailFragment.gql' const CreateFieldMutation = gql` mutation CreateFieldMutation($field: FieldInput!) { storeField(input: $field) { field { ...FieldDetailFragment } } ${FieldDetailFragment} ` ``` Invoking `CreateFieldMutation` chokes and throws error that `Error: GraphQL error: Unknown fragment "FieldBaseFragment"` Using: `graphql-tag==2.4.2` also tested on latest version same error.