diff --git a/ts/docx/paragraph/index.ts b/ts/docx/paragraph/index.ts
index 51815ec904..de48cd7115 100644
--- a/ts/docx/paragraph/index.ts
+++ b/ts/docx/paragraph/index.ts
@@ -98,7 +98,7 @@ export class Paragraph extends XmlComponent {
     }
 
     public thematicBreak(): Paragraph {
-        this.root.push(new ThematicBreak());
+        this.properties.push(new ThematicBreak());
         return this;
     }
 
diff --git a/ts/tests/docx/paragraph/paragraphTests.ts b/ts/tests/docx/paragraph/paragraphTests.ts
index 1209fecea1..1b103a5a8f 100644
--- a/ts/tests/docx/paragraph/paragraphTests.ts
+++ b/ts/tests/docx/paragraph/paragraphTests.ts
@@ -144,12 +144,10 @@ describe("Paragraph", () => {
             const tree = new Formatter().format(paragraph);
             expect(tree).to.deep.equal({
                 "w:p": [{
-                    "w:pPr": [{
-                        "w:r": [
-                            {"w:rPr": []},
-                            {"w:br": [{_attr: {"w:type": "page"}}]},
-                        ],
-                    }],
+                    "w:r": [
+                        {"w:rPr": []},
+                        {"w:br": [{_attr: {"w:type": "page"}}]},
+                    ],
                 }],
             });
         });