diff --git a/ts/docx/table/index.ts b/ts/docx/table/index.ts
index f6be964129..82d5689709 100644
--- a/ts/docx/table/index.ts
+++ b/ts/docx/table/index.ts
@@ -99,7 +99,7 @@ class TableCell extends XmlComponent {
         return this;
     }
 
-    public prepForXml(): object {
+    public prepForXml(): XmlableObject {
         // Cells must end with a paragraph
         const retval = super.prepForXml();
         const content = retval["w:tc"];
diff --git a/ts/docx/xml-components/base.ts b/ts/docx/xml-components/base.ts
index 9c94517c56..82061d9a41 100644
--- a/ts/docx/xml-components/base.ts
+++ b/ts/docx/xml-components/base.ts
@@ -5,5 +5,5 @@ export abstract class BaseXmlComponent {
         this.rootKey = rootKey;
     }
 
-    public abstract prepForXml(): object;
+    public abstract prepForXml(): XmlableObject;
 }
diff --git a/ts/docx/xml-components/default-attributes.ts b/ts/docx/xml-components/default-attributes.ts
index 7c56a96e63..e3eba50809 100644
--- a/ts/docx/xml-components/default-attributes.ts
+++ b/ts/docx/xml-components/default-attributes.ts
@@ -11,7 +11,7 @@ export abstract class XmlAttributeComponent<T> extends BaseXmlComponent {
         this.root = properties;
     }
 
-    public prepForXml(): {_attr: {[key: string]: (string | number | boolean)}} {
+    public prepForXml(): XmlableObject {
         const attrs = {};
         Object.keys(this.root).forEach((key) => {
             const value = this.root[key];
diff --git a/ts/docx/xml-components/index.ts b/ts/docx/xml-components/index.ts
index bc1577497c..aedcbcedb4 100644
--- a/ts/docx/xml-components/index.ts
+++ b/ts/docx/xml-components/index.ts
@@ -9,7 +9,7 @@ export abstract class XmlComponent extends BaseXmlComponent {
         this.root = new Array<BaseXmlComponent>();
     }
 
-    public prepForXml(): object {
+    public prepForXml(): XmlableObject {
         const children = this.root.map((comp) => {
             if (comp instanceof BaseXmlComponent) {
                 return comp.prepForXml();
diff --git a/ts/docx/xml-components/xmlable-object.d.ts b/ts/docx/xml-components/xmlable-object.d.ts
new file mode 100644
index 0000000000..517fd0b332
--- /dev/null
+++ b/ts/docx/xml-components/xmlable-object.d.ts
@@ -0,0 +1,3 @@
+declare interface XmlableObject extends Object {
+    _attr?: { [key: string]: (string | number | boolean) }
+}
diff --git a/ts/export/formatter.ts b/ts/export/formatter.ts
index 76c05748bb..36b0587240 100644
--- a/ts/export/formatter.ts
+++ b/ts/export/formatter.ts
@@ -1,7 +1,7 @@
 import { BaseXmlComponent } from "../docx/xml-components";
 
 export class Formatter {
-    public format(input: BaseXmlComponent): any {
+    public format(input: BaseXmlComponent): XmlableObject {
         return input.prepForXml();
     }
 }