diff --git a/src/toasts/IncomingCallToast.tsx b/src/toasts/IncomingCallToast.tsx
index c842581f9a..a853e1652a 100644
--- a/src/toasts/IncomingCallToast.tsx
+++ b/src/toasts/IncomingCallToast.tsx
@@ -49,7 +49,7 @@ export default class IncomingCallToast extends React.Component<IProps, IState> {
         };
     }
 
-    componentDidMount = () => {
+    public componentDidMount = (): void => {
         CallHandler.sharedInstance().addListener(CallHandlerEvent.SilencedCallsChanged, this.onSilencedCallsChanged);
     };