diff --git a/lib/modules/generateFieldSchemaBase.js b/lib/modules/generateFieldSchemaBase.js
index 741b6dd..3256494 100644
--- a/lib/modules/generateFieldSchemaBase.js
+++ b/lib/modules/generateFieldSchemaBase.js
@@ -67,7 +67,7 @@ export default (options = {}) => {
           previewFromValue: once(() => (value, index, props) => {
             if (isString(resolveId(value))) {
               const resolvedValuePath = [resolverName];
-              if (isFinite(index)) {
+              if (multiple && isFinite(index)) {
                 resolvedValuePath.push(index);
               }
               return get(props.document, resolvedValuePath);