diff --git a/common/changes/office-ui-fabric-react/basebutton-description-props_2018-03-15-14-54.json b/common/changes/office-ui-fabric-react/basebutton-description-props_2018-03-15-14-54.json
new file mode 100644
index 0000000000000..efd3b5ba2a758
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/basebutton-description-props_2018-03-15-14-54.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "Button: fixed bug causes by onRenderDescription pulling from this.props instead of passed in props",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "mgodbolt@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx b/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
index 7ff26e87999ad..e1f346217eaf1 100644
--- a/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
+++ b/packages/office-ui-fabric-react/src/components/Button/BaseButton.tsx
@@ -337,7 +337,7 @@ export class BaseButton extends BaseComponent<IBaseButtonProps, IBaseButtonState
   private _onRenderDescription(props: IButtonProps) {
     const {
       description
-    } = this.props;
+    } = props;
 
     // ms-Button-description is only shown when the button type is compound.
     // In other cases it will not be displayed.