diff --git a/packages/form-js-editor/test/spec/core/FieldFactory.spec.js b/packages/form-js-editor/test/spec/core/FieldFactory.spec.js
index 13acf42f9..c125aec2e 100644
--- a/packages/form-js-editor/test/spec/core/FieldFactory.spec.js
+++ b/packages/form-js-editor/test/spec/core/FieldFactory.spec.js
@@ -310,12 +310,12 @@ describe('core/FieldFactory', function () {
 
 // helpers //////////////
 
-function testCreate(options, isNew = true) {
+function testCreate(options, isNewField = true) {
   const { type, label, keyed = false, initial = {}, expected = {} } = options;
 
   return inject(function (fieldFactory) {
     // when
-    const field = fieldFactory.create({ type, ...initial }, isNew);
+    const field = fieldFactory.create({ type, ...initial }, isNewField);
 
     // then
     expect(field.id).to.exist;
diff --git a/packages/form-js-viewer/src/core/FieldFactory.js b/packages/form-js-viewer/src/core/FieldFactory.js
index 09fc99660..9f4dd2dc3 100644
--- a/packages/form-js-viewer/src/core/FieldFactory.js
+++ b/packages/form-js-viewer/src/core/FieldFactory.js
@@ -13,7 +13,7 @@ export class FieldFactory {
     this._formFields = formFields;
   }
 
-  create(attrs, isNew = true) {
+  create(attrs, isNewField = true) {
     const { id, type, key, path, _parent } = attrs;
 
     const fieldDefinition = this._formFields.get(type);
@@ -65,7 +65,7 @@ export class FieldFactory {
         ...(config.label ? { label: config.label } : {}),
         ...attrs,
       },
-      isNew,
+      isNewField,
     );
 
     this._ensureId(field);
diff --git a/packages/form-js-viewer/src/render/components/form-fields/Datetime.js b/packages/form-js-viewer/src/render/components/form-fields/Datetime.js
index dc619a157..a34b1ade9 100644
--- a/packages/form-js-viewer/src/render/components/form-fields/Datetime.js
+++ b/packages/form-js-viewer/src/render/components/form-fields/Datetime.js
@@ -214,11 +214,11 @@ Datetime.config = {
   group: 'basic-input',
   emptyValue: null,
   sanitizeValue: sanitizeDateTimePickerValue,
-  create: (options = {}, isNew) => {
+  create: (options = {}, isNewField) => {
     const defaults = {};
     set(defaults, DATETIME_SUBTYPE_PATH, DATETIME_SUBTYPES.DATE);
 
-    if (isNew) {
+    if (isNewField) {
       set(defaults, DATE_LABEL_PATH, 'Date');
     }