diff --git a/src/crc-status.ts b/src/crc-status.ts
index bc1abde..cb59908 100644
--- a/src/crc-status.ts
+++ b/src/crc-status.ts
@@ -26,7 +26,7 @@ const setupStatus: Status = { CrcStatus: 'Need Setup', Preset: 'Unknown' };
 const errorStatus: Status = { CrcStatus: 'Error', Preset: 'Unknown' };
 
 export class CrcStatus {
-  private updateTimer: NodeJS.Timer;
+  private updateTimer: NodeJS.Timeout;
   private _status: Status;
   private isSetupGoing: boolean;
   private statusChangeEventEmitter = new extensionApi.EventEmitter<Status>();