diff --git a/src/components/notification/notification.component.ts b/src/components/notification/notification.component.ts
index b4c6f12..f065398 100644
--- a/src/components/notification/notification.component.ts
+++ b/src/components/notification/notification.component.ts
@@ -33,7 +33,7 @@ export class NotificationComponent {
 
   private startProgress(duration: number): void {
     const interval: number = duration / 100;
-    const progressInterval: number = setInterval(() => {
+    const progressInterval = setInterval(() => {
       this.progress--;
       if (this.progress === 0) {
         clearInterval(progressInterval);