diff --git a/bower.json b/bower.json
index b4dbc2d3..c2ca7adb 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "react-modal",
-  "version": "1.7.13",
+  "version": "1.8.1",
   "homepage": "https://github.com/reactjs/react-modal",
   "authors": [
     "Ryan Florence",
diff --git a/dist/react-modal.js b/dist/react-modal.js
index 48c80ac9..52d13201 100644
--- a/dist/react-modal.js
+++ b/dist/react-modal.js
@@ -102,6 +102,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	      overlay: PropTypes.object
 	    }),
 	    portalClassName: PropTypes.string,
+	    bodyOpenClassName: React.PropTypes.string,
 	    appElement: PropTypes.instanceOf(SafeHTMLElement),
 	    onAfterOpen: PropTypes.func,
 	    onRequestClose: PropTypes.func,
@@ -117,6 +118,7 @@ return /******/ (function(modules) { // webpackBootstrap
 	    return {
 	      isOpen: false,
 	      portalClassName: 'ReactModalPortal',
+	      bodyOpenClassName: 'ReactModal__Body--open',
 	      ariaHideApp: true,
 	      closeTimeoutMS: 0,
 	      shouldCloseOnOverlayClick: true,
@@ -180,16 +182,17 @@ return /******/ (function(modules) { // webpackBootstrap
 	    ReactDOM.unmountComponentAtNode(this.node);
 	    var parent = getParentElement(this.props.parentSelector);
 	    parent.removeChild(this.node);
+
 	    if (refCount.count() === 0) {
-	      elementClass(document.body).remove('ReactModal__Body--open');
+	      elementClass(document.body).remove(this.props.bodyOpenClassName);
 	    }
 	  },
 
 	  renderPortal: function renderPortal(props) {
 	    if (props.isOpen || refCount.count() > 0) {
-	      elementClass(document.body).add('ReactModal__Body--open');
+	      elementClass(document.body).add(this.props.bodyOpenClassName);
 	    } else {
-	      elementClass(document.body).remove('ReactModal__Body--open');
+	      elementClass(document.body).remove(this.props.bodyOpenClassName);
 	    }
 
 	    if (props.ariaHideApp) {
diff --git a/dist/react-modal.min.js b/dist/react-modal.min.js
index fc07a728..145d1f87 100644
--- a/dist/react-modal.min.js
+++ b/dist/react-modal.min.js
@@ -1,4 +1,4 @@
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 	object-assign
 	(c) Sindre Sorhus
 	@license MIT
diff --git a/package.json b/package.json
index 29d1d9c9..c20ffcfd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "react-modal",
-  "version": "1.7.13",
+  "version": "1.8.1",
   "description": "Accessible modal dialog component for React.JS",
   "main": "./lib/index.js",
   "repository": {