diff --git a/dmp-frontend/src/app/ui/navbar/navbar.component.ts b/dmp-frontend/src/app/ui/navbar/navbar.component.ts
index 5f3170065..32b996f30 100644
--- a/dmp-frontend/src/app/ui/navbar/navbar.component.ts
+++ b/dmp-frontend/src/app/ui/navbar/navbar.component.ts
@@ -348,6 +348,9 @@ export class NavbarComponent extends BaseComponent implements OnInit {
 				position: { top: '71px', right: '4.8em' },
 				width: "27.0rem"
 			});
+			this.inAppNotificationDialog.componentInstance.onReadAll.subscribe(() => {
+				this.countUnreadInappNotifications();
+			});
 			this.inAppNotificationDialog.afterClosed().pipe(takeUntil(this._destroyed)).subscribe(result => {
 				this.countUnreadInappNotifications();
 				this.inAppNotificationDialog = null;
diff --git a/dmp-frontend/src/notification-service/ui/inapp-notification/listing-dialog/mine-inapp-notification-listing-dialog.component.ts b/dmp-frontend/src/notification-service/ui/inapp-notification/listing-dialog/mine-inapp-notification-listing-dialog.component.ts
index 857adeeda..111617c5c 100644
--- a/dmp-frontend/src/notification-service/ui/inapp-notification/listing-dialog/mine-inapp-notification-listing-dialog.component.ts
+++ b/dmp-frontend/src/notification-service/ui/inapp-notification/listing-dialog/mine-inapp-notification-listing-dialog.component.ts
@@ -1,6 +1,6 @@
 import { fromEvent, Observable, Subscription } from "rxjs";
 import { HttpErrorResponse } from '@angular/common/http';
-import { Component, Inject, OnDestroy, OnInit } from '@angular/core';
+import { Component, EventEmitter, Inject, OnDestroy, OnInit } from '@angular/core';
 import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material/dialog';
 import { Router } from '@angular/router';
 import { AuthService } from '@app/core/services/auth/auth.service';
@@ -26,10 +26,11 @@ export class MineInAppNotificationListingDialogComponent extends BaseComponent i
 
 	resizeObservable: Observable<Event>;
 	resizeSubscription: Subscription;
+	onReadAll = new EventEmitter();
 
 	constructor(
 		public dialogRef: MatDialogRef<MineInAppNotificationListingDialogComponent>,
-		@Inject(MAT_DIALOG_DATA) public dialogData: any,
+		@Inject(MAT_DIALOG_DATA) public data: any,
 		private inappNotificationService: InAppNotificationService,
 		private router: Router,
 		private uiNotificationService: UiNotificationService,
@@ -40,32 +41,15 @@ export class MineInAppNotificationListingDialogComponent extends BaseComponent i
 	}
 
 	ngOnInit() {
-		const lookup = new InAppNotificationLookup();
-		lookup.project = {
-			fields: [
-				nameof<InAppNotification>(x => x.id),
-				nameof<InAppNotification>(x => x.subject),
-				nameof<InAppNotification>(x => x.createdAt),
-				nameof<InAppNotification>(x => x.trackingState),
-			]
-		};
-		lookup.page = { offset: 0, size: 5 };
-		lookup.order = { items: ['-' + nameof<InAppNotification>(x => x.createdAt)] };
-		lookup.isActive = [IsActive.Active];
-		this.inappNotificationService.query(lookup)
-			.pipe(takeUntil(this._destroyed))
-			.subscribe(
-				data => {
-					this.inappNotifications = data.items;
-				},
-				error => this.onCallbackError(error),
-			);
+		
+		const lookup: InAppNotificationLookup = this.getLookup();
+		this.fetchNotifications(lookup);
 
-			this.resizeObservable = fromEvent(window, 'resize');
-			this.resizeSubscription = this.resizeObservable
-				.subscribe(evt =>{
-					this.dialogRef.close();
-				});
+		this.resizeObservable = fromEvent(window, 'resize');
+		this.resizeSubscription = this.resizeObservable
+			.subscribe(evt =>{
+				this.dialogRef.close();
+			});
 
 	}
 
@@ -107,7 +91,40 @@ export class MineInAppNotificationListingDialogComponent extends BaseComponent i
 		this.inappNotificationService.readAll()
 		.pipe(takeUntil(this._destroyed))
 		.subscribe(
-			data => {},
+			readAllStatus => {
+				if (readAllStatus) {
+					const lookup: InAppNotificationLookup = this.getLookup();
+					this.fetchNotifications(lookup);
+					this.onReadAll.emit();
+				} 
+			},
 		);	
 	}
+
+	private getLookup(): InAppNotificationLookup {
+		const lookup = new InAppNotificationLookup();
+		lookup.project = {
+			fields: [
+				nameof<InAppNotification>(x => x.id),
+				nameof<InAppNotification>(x => x.subject),
+				nameof<InAppNotification>(x => x.createdAt),
+				nameof<InAppNotification>(x => x.trackingState),
+			]
+		};
+		lookup.page = { offset: 0, size: 5 };
+		lookup.order = { items: ['-' + nameof<InAppNotification>(x => x.createdAt)] };
+		lookup.isActive = [IsActive.Active];
+		return lookup;
+	}
+	
+	private fetchNotifications(lookup: InAppNotificationLookup): void {
+		this.inappNotificationService.query(lookup)
+			.pipe(takeUntil(this._destroyed))
+			.subscribe(
+				data => {
+					this.inappNotifications = data.items;
+				},
+				error => this.onCallbackError(error),
+			);
+	}
 }