diff --git a/.gitignore b/.gitignore
index 4f8777b466..31ad548219 100644
--- a/.gitignore
+++ b/.gitignore
@@ -48,8 +48,12 @@ docs/.nojekyll
 !.vscode/extensions.json
 .history
 
+# IntelliJ
+.idea
+
 # Lock files
 package-lock.json
+yarn.lock
 
 # Documents
 My Document.docx
diff --git a/src/file/document/body/section-properties/page-margin/page-margin-attributes.ts b/src/file/document/body/section-properties/page-margin/page-margin-attributes.ts
index a9d1ae46ee..e486ae5c72 100644
--- a/src/file/document/body/section-properties/page-margin/page-margin-attributes.ts
+++ b/src/file/document/body/section-properties/page-margin/page-margin-attributes.ts
@@ -8,6 +8,7 @@ export interface IPageMarginAttributes {
     header?: number;
     footer?: number;
     gutter?: number;
+    mirror?: boolean;
 }
 
 export class PageMarginAttributes extends XmlAttributeComponent<IPageMarginAttributes> {
@@ -19,5 +20,6 @@ export class PageMarginAttributes extends XmlAttributeComponent<IPageMarginAttri
         header: "w:header",
         footer: "w:footer",
         gutter: "w:gutter",
+        mirror: "w:mirrorMargins",
     };
 }
diff --git a/src/file/document/body/section-properties/page-margin/page-margin.ts b/src/file/document/body/section-properties/page-margin/page-margin.ts
index bd9a8e5fa6..03ccf69511 100644
--- a/src/file/document/body/section-properties/page-margin/page-margin.ts
+++ b/src/file/document/body/section-properties/page-margin/page-margin.ts
@@ -2,7 +2,7 @@ import { XmlComponent } from "file/xml-components";
 import { PageMarginAttributes } from "./page-margin-attributes";
 
 export class PageMargin extends XmlComponent {
-    constructor(top: number, right: number, bottom: number, left: number, header: number, footer: number, gutter: number) {
+    constructor(top: number, right: number, bottom: number, left: number, header: number, footer: number, gutter: number, mirror: boolean) {
         super("w:pgMar");
         this.root.push(
             new PageMarginAttributes({
@@ -13,6 +13,7 @@ export class PageMargin extends XmlComponent {
                 header: header,
                 footer: footer,
                 gutter: gutter,
+                mirror: mirror,
             }),
         );
     }
diff --git a/src/file/document/body/section-properties/section-properties.spec.ts b/src/file/document/body/section-properties/section-properties.spec.ts
index e80facb635..9a8645e5b0 100644
--- a/src/file/document/body/section-properties/section-properties.spec.ts
+++ b/src/file/document/body/section-properties/section-properties.spec.ts
@@ -17,6 +17,7 @@ describe("SectionProperties", () => {
                 header: 708,
                 footer: 708,
                 gutter: 0,
+                mirror: false,
                 space: 708,
                 linePitch: 360,
                 headerId: 100,
@@ -40,6 +41,7 @@ describe("SectionProperties", () => {
                             "w:left": 1440,
                             "w:header": 708,
                             "w:gutter": 0,
+                            "w:mirrorMargins": false,
                         },
                     },
                 ],
@@ -69,6 +71,7 @@ describe("SectionProperties", () => {
                             "w:left": 1440,
                             "w:header": 708,
                             "w:gutter": 0,
+                            "w:mirrorMargins": false,
                         },
                     },
                 ],
@@ -99,6 +102,7 @@ describe("SectionProperties", () => {
                             "w:left": 1440,
                             "w:header": 708,
                             "w:gutter": 0,
+                            "w:mirrorMargins": false,
                         },
                     },
                 ],
@@ -124,6 +128,7 @@ describe("SectionProperties", () => {
                             "w:left": 1440,
                             "w:header": 708,
                             "w:gutter": 0,
+                            "w:mirrorMargins": false,
                         },
                     },
                 ],
@@ -150,6 +155,7 @@ describe("SectionProperties", () => {
                             "w:left": 1440,
                             "w:header": 708,
                             "w:gutter": 0,
+                            "w:mirrorMargins": false,
                         },
                     },
                 ],
diff --git a/src/file/document/body/section-properties/section-properties.ts b/src/file/document/body/section-properties/section-properties.ts
index c23964cd14..5042c8a3ab 100644
--- a/src/file/document/body/section-properties/section-properties.ts
+++ b/src/file/document/body/section-properties/section-properties.ts
@@ -38,6 +38,7 @@ export class SectionProperties extends XmlComponent {
             header: 708,
             footer: 708,
             gutter: 0,
+            mirror: false,
             space: 708,
             linePitch: 360,
             orientation: PageOrientation.PORTRAIT,
@@ -69,6 +70,7 @@ export class SectionProperties extends XmlComponent {
                 mergedOptions.header,
                 mergedOptions.footer,
                 mergedOptions.gutter,
+                mergedOptions.mirror,
             ),
         );
         this.root.push(new Columns(mergedOptions.space));