diff --git a/packages/decap-cms-core/src/lib/__tests__/serializeEntryValues.spec.js b/packages/decap-cms-core/src/lib/__tests__/serializeEntryValues.spec.js
index 4b2aa66be9c8..147697874d61 100644
--- a/packages/decap-cms-core/src/lib/__tests__/serializeEntryValues.spec.js
+++ b/packages/decap-cms-core/src/lib/__tests__/serializeEntryValues.spec.js
@@ -3,7 +3,10 @@ import { fromJS } from 'immutable';
 import { serializeValues, deserializeValues } from '../serializeEntryValues';
 
 const values = fromJS({ title: 'New Post', unknown: 'Unknown Field', removed_image: '' });
-const fields = fromJS([{ name: 'title', widget: 'string' }, { name: 'removed_image', widget: 'image' }]);
+const fields = fromJS([
+  { name: 'title', widget: 'string' },
+  { name: 'removed_image', widget: 'image' },
+]);
 
 describe('serializeValues', () => {
   it('should retain unknown fields', () => {
diff --git a/packages/decap-cms-core/src/lib/serializeEntryValues.js b/packages/decap-cms-core/src/lib/serializeEntryValues.js
index e763e070d08b..706d39df1d69 100644
--- a/packages/decap-cms-core/src/lib/serializeEntryValues.js
+++ b/packages/decap-cms-core/src/lib/serializeEntryValues.js
@@ -71,7 +71,8 @@ function runSerializer(values, fields, method, config = {}, isRecursive = false)
 
   // Remove only on the top level, otherwise `mergeDeep` will reinsert them.
   if (config.remove_empty_image_field && !isRecursive) {
-    serializedData = serializedData.map(v => removeEntriesRecursive(v))
+    serializedData = serializedData
+      .map(v => removeEntriesRecursive(v))
       .filter(v => v !== FLAG_REMOVE_ENTRY);
   }