diff --git a/src/dialog.jsx b/src/dialog.jsx
index 77ee8650c49c27..9d80b21ee89be5 100644
--- a/src/dialog.jsx
+++ b/src/dialog.jsx
@@ -120,7 +120,7 @@ let Dialog = React.createClass({
 
   windowListeners: {
     keyup: '_handleWindowKeyUp',
-    resize: '_positionDialog',
+    resize: '_handleResize',
   },
 
   getDefaultProps() {
@@ -403,6 +403,13 @@ let Dialog = React.createClass({
     }
   },
 
+  _handleResize() {
+    if (this.state.open) {
+      this.refs.dialogOverlay.preventScrolling();
+      this._positionDialog();
+    }
+  },
+
 });
 
 module.exports = Dialog;