--- a/devtools/client/inspector/animation/components/PauseResumeButton.js
+++ b/devtools/client/inspector/animation/components/PauseResumeButton.js
@@ -63,18 +63,18 @@ class PauseResumeButton extends PureComp
   }
 
   onKeyDown(event) {
     if (event.keyCode === KeyCodes.DOM_VK_SPACE) {
       this.onToggleAnimationsPlayState(event);
     }
   }
 
-  updateState() {
-    const { animations } = this.props;
+  updateState(props) {
+    const { animations } = props;
     const isRunning = hasRunningAnimation(animations);
     this.setState({ isRunning });
   }
 
   render() {
     const { isRunning } = this.state;
 
     return dom.button(