diff --git a/src/victory-container/victory-container.js b/src/victory-container/victory-container.js
index c99005f..4de1790 100644
--- a/src/victory-container/victory-container.js
+++ b/src/victory-container/victory-container.js
@@ -30,6 +30,7 @@ export default class VictoryContainer extends React.Component {
   }
 
   static defaultProps = {
+    className: "VictoryContainer",
     portalComponent: <Portal/>,
     portalZIndex: 99,
     responsive: true
@@ -101,7 +102,7 @@ export default class VictoryContainer extends React.Component {
     const { title, desc, portalComponent, className, width, height, portalZIndex } = props;
     const children = this.getChildren(props);
     const divStyle = { pointerEvents: "none", touchAction: "none", position: "relative" };
-    const svgStyle = { width: "100%", height: "100%", top: 0, left: 0 };
+    const svgStyle = { width: "100%", height: "100%" };
     const portalProps = {
       width, height, viewBox: svgProps.viewBox, style: assign({}, svgStyle, { overflow: "visible" })
     };
@@ -112,7 +113,7 @@ export default class VictoryContainer extends React.Component {
           {desc ? <desc id={this.getIdForElement("desc")}>{desc}</desc> : null}
           {children}
         </svg>
-          <div style={{ ...svgStyle, zIndex: portalZIndex, position: "absolute" }}>
+          <div style={{ ...svgStyle, zIndex: portalZIndex, position: "absolute", top: 0, left: 0 }}>
             {React.cloneElement(portalComponent, { ...portalProps, ref: this.savePortalRef })}
           </div>
         </div>
diff --git a/src/victory-util/helpers.js b/src/victory-util/helpers.js
index eafd64c..86ab732 100644
--- a/src/victory-util/helpers.js
+++ b/src/victory-util/helpers.js
@@ -5,15 +5,16 @@ import React from "react";
 export default {
   getPoint(datum) {
     const exists = (val) => val !== undefined;
-    const { x, _x, _x1, _x0, _voronoiX, y, _y, _y1, _y0, _voronoiY } = datum;
-    const defaultX = exists(_x1) ? _x1 : _x || x;
-    const defaultY = exists(_y1) ? _y1 : _y || y;
-    return {
+    const { _x, _x1, _x0, _voronoiX, _y, _y1, _y0, _voronoiY } = datum;
+    const defaultX = exists(_x1) ? _x1 : _x;
+    const defaultY = exists(_y1) ? _y1 : _y;
+    const point = {
       x: exists(_voronoiX) ? _voronoiX : defaultX,
-      x0: exists(_x0) ? _x0 : _x || x,
+      x0: exists(_x0) ? _x0 : _x,
       y: exists(_voronoiY) ? _voronoiY : defaultY,
-      y0: exists(_y0) ? _y0 : _y || y
+      y0: exists(_y0) ? _y0 : _y
     };
+    return defaults({}, point, datum);
   },
 
   scalePoint(props, datum) {