diff --git a/SlideButton.js b/SlideButton.js
index e0b3fdb..37dbe87 100644
--- a/SlideButton.js
+++ b/SlideButton.js
@@ -36,13 +36,13 @@ export class SlideButton extends Component {
     var slidePercent = this.props.successfulSlidePercent || 40;
     var successfulSlideWidth = this.buttonWidth * slidePercent / 100;
     if (!this.props.slideDirection) {
-      return this.state.dx > this.props.successfulSlideWidth;  // Defaults to right slide
+      return this.state.dx > successfulSlideWidth;  // Defaults to right slide
     } else if (this.props.slideDirection === SlideDirection.RIGHT) {
-      return this.state.dx > this.props.successfulSlideWidth;
+      return this.state.dx > successfulSlideWidth;
     } else if (this.props.slideDirection === SlideDirection.LEFT) {
-      return this.state.dx < (-1 * this.props.successfulSlideWidth);
+      return this.state.dx < (-1 * successfulSlideWidth);
     } else if (this.props.slideDirection === SlideDirection.BOTH) {
-      return Math.abs(this.state.dx) > this.props.successfulSlideWidth;
+      return Math.abs(this.state.dx) > successfulSlideWidth;
     }
   }