diff --git a/demo/48-vertical-align.ts b/demo/48-vertical-align.ts
index c22e6da45a..a9eb7986da 100644
--- a/demo/48-vertical-align.ts
+++ b/demo/48-vertical-align.ts
@@ -7,7 +7,7 @@ const doc = new Document();
 
 doc.addSection({
     properties: {
-        valign: SectionVerticalAlignValue.Center,
+        verticalAlign: SectionVerticalAlignValue.CENTER,
     },
     children: [
         new Paragraph({
diff --git a/src/file/document/body/section-properties/section-properties.ts b/src/file/document/body/section-properties/section-properties.ts
index b4732dea32..37e09e4498 100644
--- a/src/file/document/body/section-properties/section-properties.ts
+++ b/src/file/document/body/section-properties/section-properties.ts
@@ -89,7 +89,7 @@ export class SectionProperties extends XmlComponent {
             pageBorderBottom,
             pageBorderLeft,
             titlePage = false,
-            valign,
+            verticalAlign,
         } = options;
 
         this.options = options;
@@ -125,8 +125,8 @@ export class SectionProperties extends XmlComponent {
             this.root.push(new TitlePage());
         }
 
-        if (valign) {
-            this.root.push(new SectionVerticalAlign(valign));
+        if (verticalAlign) {
+            this.root.push(new SectionVerticalAlign(verticalAlign));
         }
     }
 
diff --git a/src/file/document/body/section-properties/vertical-align/vertical-align-attributes.ts b/src/file/document/body/section-properties/vertical-align/vertical-align-attributes.ts
index 3e7af94460..fa09712a00 100644
--- a/src/file/document/body/section-properties/vertical-align/vertical-align-attributes.ts
+++ b/src/file/document/body/section-properties/vertical-align/vertical-align-attributes.ts
@@ -2,11 +2,11 @@ import { XmlAttributeComponent } from "file/xml-components";
 import { SectionVerticalAlignValue } from "./vertical-align";
 
 export interface ISectionVerticalAlignAttributes {
-    readonly valign?: SectionVerticalAlignValue;
+    readonly verticalAlign?: SectionVerticalAlignValue;
 }
 
 export class SectionVerticalAlignAttributes extends XmlAttributeComponent<ISectionVerticalAlignAttributes> {
     protected readonly xmlKeys = {
-        valign: "w:val",
+        verticalAlign: "w:val",
     };
 }
diff --git a/src/file/document/body/section-properties/vertical-align/vertical-align.ts b/src/file/document/body/section-properties/vertical-align/vertical-align.ts
index bde6408ddd..b025059d16 100644
--- a/src/file/document/body/section-properties/vertical-align/vertical-align.ts
+++ b/src/file/document/body/section-properties/vertical-align/vertical-align.ts
@@ -4,15 +4,15 @@ import { XmlComponent } from "file/xml-components";
 import { SectionVerticalAlignAttributes } from "./vertical-align-attributes";
 
 export enum SectionVerticalAlignValue {
-    Both = "both",
-    Bottom = "bottom",
-    Center = "center",
-    Top = "top",
+    BOTH = "both",
+    BOTTOM = "bottom",
+    CENTER = "center",
+    TOP = "top",
 }
 
 export class SectionVerticalAlign extends XmlComponent {
     constructor(value: SectionVerticalAlignValue) {
         super("w:vAlign");
-        this.root.push(new SectionVerticalAlignAttributes({ valign: value }));
+        this.root.push(new SectionVerticalAlignAttributes({ verticalAlign: value }));
     }
 }