diff --git a/src/js/floating-action-button.jsx b/src/js/floating-action-button.jsx
index 0c443d6b82d6ef..ac29bb057caaaa 100644
--- a/src/js/floating-action-button.jsx
+++ b/src/js/floating-action-button.jsx
@@ -67,10 +67,12 @@ var RaisedButton = React.createClass({
     //animate the zdepth change
     this.setState({ zDepth: this.state.initialZDepth + 1 });
     setTimeout(function() {
-      this.setState({ zDepth: this.state.initialZDepth });
+			if (this.isMounted()) {
+				this.setState({zDepth: this.state.initialZDepth});
+			}
     }.bind(this), 450);
   }
 
 });
 
-module.exports = RaisedButton;
\ No newline at end of file
+module.exports = RaisedButton;