diff --git a/src/jsoneditor/components/TreeMode.js b/src/jsoneditor/components/TreeMode.js
index 93c3dda..956d3d2 100644
--- a/src/jsoneditor/components/TreeMode.js
+++ b/src/jsoneditor/components/TreeMode.js
@@ -50,11 +50,16 @@ import { createFindKeyBinding } from '../utils/keyBindings'
 import { KEY_BINDINGS } from '../constants'
 import { immutableJSONPatch } from '../immutableJSONPatch'
 import {
-  applyErrors, applySelection, contentsFromPaths,
+  applyErrors,
+  applySelection,
+  contentsFromPaths,
   expand,
   EXPANDED,
-  expandPath, immutableESONPatch,
-  nextSearchResult, pathsFromSelection, previousSearchResult,
+  expandPath,
+  immutableESONPatch,
+  nextSearchResult,
+  pathsFromSelection,
+  previousSearchResult,
   search,
   syncEson
 } from '../eson'
diff --git a/src/jsoneditor/eson.js b/src/jsoneditor/eson.js
index a28f392..80c66e8 100644
--- a/src/jsoneditor/eson.js
+++ b/src/jsoneditor/eson.js
@@ -93,7 +93,7 @@ export function syncEson(json, eson) {
     }
   }
   else if (jsonType === 'value') { // json is a value
-    if (sameType) {
+    if (sameType && eson[VALUE] === json) {
       return eson
     }
     else {
diff --git a/src/jsoneditor/eson.test.js b/src/jsoneditor/eson.test.js
index 5b0cdc4..ffd52ff 100644
--- a/src/jsoneditor/eson.test.js
+++ b/src/jsoneditor/eson.test.js
@@ -16,7 +16,8 @@ import {
   SELECTED_LAST,
   SELECTED_START, SELECTION,
   syncEson,
-  TYPE
+  TYPE,
+  VALUE
 } from './eson'
 import { getIn, setIn } from './utils/immutabilityHelpers'
 import { createAssertEqualEson } from './utils/assertEqualEson'
@@ -60,6 +61,36 @@ test('syncEson', () => {
   expect(nodeState2.obj.a[ID]).toEqual(nodeState1.obj.a[ID])
 })
 
+test('syncEson (replace a value)', () => {
+  const json1 = {
+    value: 1
+  }
+  const eson1 = syncEson(json1, undefined)
+
+  expect(eson1.value[ID]).toBeDefined()
+  expect(eson1.value[TYPE]).toEqual('value')
+  expect(eson1.value[VALUE]).toEqual(1)
+
+  const json2 = {
+    value: 2
+  }
+  const eson2 = syncEson(json2, eson1)
+
+  expect(eson2.value[ID]).toBeDefined()
+  expect(eson2.value[TYPE]).toEqual('value')
+  expect(eson2.value[VALUE]).toEqual(2)
+
+  // eson1 should be untouched
+  expect(eson1.value[VALUE]).toEqual(1)
+
+  const json3 = {
+    value: 2 // samve as json2
+  }
+  const eson3 = syncEson(json3, eson2)
+  expect(eson3.value).toBe(eson2.value)
+  expect(eson3).toBe(eson2)
+})
+
 test('expand a single path', () => {
   const eson = syncEson({
     "obj": {
diff --git a/src/jsoneditor/types.js b/src/jsoneditor/types.js
index 9e009c5..68f4e3d 100644
--- a/src/jsoneditor/types.js
+++ b/src/jsoneditor/types.js
@@ -11,7 +11,7 @@
  *   modes: string[]?,
  *   history: boolean?,
  *   indentation: number | string?,
- *   onChange: function (patch: ESONPatchDocument, revert: ESONPatchDocument)?,
+ *   onChange: function (patch: JSONPatchDocument, revert: JSONPatchDocument)?,
  *   onChangeText: function ()?,
  *   onChangeMode: function (mode: string, prevMode: string)?,
  *   onError:  function (err: Error)?,
@@ -81,20 +81,6 @@
  * }} JSONPatchOptions
  */
 
-/**
- * @typedef {{
- *   op: 'add' | 'remove' | 'replace' | 'copy' | 'move' | 'test',
- *   path: string,
- *   from?: string,
- *   value?: *,
- *   meta?: ESONPatchOptions
- * }} ESONPatchOperation
- */
-
-/**
- * @typedef {ESONPatchOperation[]} ESONPatchDocument
- */
-
 /**
  * @typedef {{
  *   patch: JSONPatchDocument,
@@ -103,22 +89,6 @@
  * }} JSONPatchResult
  */
 
-/**
- * @typedef {{
- *   id: string,
- *   path: Path,
- *   type: ESONType,
- *   before?: string
- *   props?: string[],
- *   expanded?: boolean,
- *   selected?: boolean,
- *   searchProperty?: SearchResultStatus,
- *   searchValue?: SearchResultStatus
- * }} ESONPatchOptions
- *
- * // TODO: describe search results and selection
- */
-
 /**
  * @typedef {Object | Array} ESON
  */