diff --git a/ts/docx/paragraph/tab-stop.ts b/ts/docx/paragraph/tab-stop.ts
index f531f6ba84..6154c33d2a 100644
--- a/ts/docx/paragraph/tab-stop.ts
+++ b/ts/docx/paragraph/tab-stop.ts
@@ -1,4 +1,4 @@
-import { Attributes, XmlComponent } from "../xml-components";
+import { XmlAttributeComponent, XmlComponent } from "../xml-components";
 
 class TabStop extends XmlComponent {
 
@@ -8,11 +8,17 @@ class TabStop extends XmlComponent {
     }
 }
 
+export type tabOptions = "left" | "right";
+
+class TabAttributes extends XmlAttributeComponent<{val: tabOptions, pos: string | number}> {
+    protected xmlKeys = {val: "w:val", pos: "w:pos"};
+}
+
 class Tab extends XmlComponent {
 
-    constructor(value: string, position: string | number) {
+    constructor(value: tabOptions, position: string | number) {
         super("w:tab");
-        this.root.push(new Attributes({
+        this.root.push(new TabAttributes({
             val: value,
             pos: position,
         }));