diff --git a/src/plugins/backspace.ts b/src/plugins/backspace.ts
index d8c7cc3e7..f9b2da1d1 100644
--- a/src/plugins/backspace.ts
+++ b/src/plugins/backspace.ts
@@ -46,6 +46,10 @@ export function backspace(editor: Jodit) {
                 const startOffsetInRange: number = range.startContainer.nodeType === Node.TEXT_NODE ? range.startOffset : 0;
                 let startOffset: number = startOffsetInRange;
 
+                if (!Dom.isOrContains(editor.editor, textNode) || textNode === editor.editor) {
+                    return;
+                }
+
                 if (textNode && textNode.nodeType === Node.TEXT_NODE && textNode.nodeValue) {
                     let value: string = textNode.nodeValue,
                         increment: number = toLeft ? -1 : 1;
diff --git a/test/tests/editorTest.js b/test/tests/editorTest.js
index f57cf921b..80ac1feb0 100644
--- a/test/tests/editorTest.js
+++ b/test/tests/editorTest.js
@@ -355,12 +355,13 @@ describe('Jodit Editor Tests', function() {
 
             expect(editor.container.querySelectorAll('.jodit_placeholder').length && editor.container.querySelector('.jodit_placeholder').style.display === 'block').to.be.equal(true);
 
-            editor.selection.insertNode(Jodit.modules.Dom.create('text', 'test', editor.editorDocument))
+            editor.selection.insertNode(Jodit.modules.Dom.create('text', 'test', editor.editorDocument));
             expect(editor.container.querySelectorAll('.jodit_placeholder').length && editor.container.querySelector('.jodit_placeholder').style.display === 'none').to.be.equal(true);
         });
         it("Placeholder's fontsize", function () {
             var area = appendTestArea();
             var editor = new Jodit(area);
+
             editor.editor.style.fontSize = '12px';
             simulateEvent('keydown', Jodit.KEY_BACKSPACE, editor.editor);
             expect(editor.container.querySelectorAll('.jodit_placeholder').length && editor.container.querySelector('.jodit_placeholder').style.fontSize === '12px').to.be.equal(true);