diff --git a/web/src/app/shared/components/master-and-detail/master-and-detail.component.ts b/web/src/app/shared/components/master-and-detail/master-and-detail.component.ts
index b387c5eae..4791751af 100644
--- a/web/src/app/shared/components/master-and-detail/master-and-detail.component.ts
+++ b/web/src/app/shared/components/master-and-detail/master-and-detail.component.ts
@@ -33,7 +33,7 @@ export class MasterAndDetailComponent implements OnInit {
   }
 
   backClicked(): void {
-    this.router.navigate(['../'], { relativeTo: this.route });
+    this.router.navigate(['../'], { relativeTo: this.route, queryParamsHandling: 'merge' });
   }
 
   private showDetails(event?: RouterEvent): boolean {
diff --git a/web/src/app/shared/components/sidenav-list/sidenav-list.component.spec.ts b/web/src/app/shared/components/sidenav-list/sidenav-list.component.spec.ts
index 3b40ceec9..6a8ecc960 100644
--- a/web/src/app/shared/components/sidenav-list/sidenav-list.component.spec.ts
+++ b/web/src/app/shared/components/sidenav-list/sidenav-list.component.spec.ts
@@ -75,7 +75,7 @@ describe('SidenavListComponent', () => {
     component.historyAccess = true;
     fixture.detectChanges();
     const menuList = debugElement.queryAll(By.css('.navlist__item'));
-    expect(menuList.length).toBe(7);
+    expect(menuList.length).toBe(9);
     fixture.detectChanges();
   });
 
diff --git a/web/src/app/workplace/components/task-list/task-list.component.ts b/web/src/app/workplace/components/task-list/task-list.component.ts
index b2e41b163..b22a701c5 100644
--- a/web/src/app/workplace/components/task-list/task-list.component.ts
+++ b/web/src/app/workplace/components/task-list/task-list.component.ts
@@ -24,6 +24,9 @@ export class TaskListComponent implements OnInit {
   selectTask(taskId: string) {
     this.selectedId = taskId;
     this.selectedIdChange.emit(taskId);
-    this.router.navigate([{ outlets: { detail: `taskdetail/${this.selectedId}` } }], { relativeTo: this.route });
+    this.router.navigate([{ outlets: { detail: `taskdetail/${this.selectedId}` } }], {
+      relativeTo: this.route,
+      queryParamsHandling: 'merge'
+    });
   }
 }
diff --git a/web/src/app/workplace/components/task/task.component.ts b/web/src/app/workplace/components/task/task.component.ts
index 9696c6de1..7fbf6a37d 100644
--- a/web/src/app/workplace/components/task/task.component.ts
+++ b/web/src/app/workplace/components/task/task.component.ts
@@ -112,7 +112,8 @@ export class TaskComponent implements OnInit, OnDestroy {
 
   navigateBack() {
     this.router.navigate([{ outlets: { detail: `taskdetail/${this.task.taskId}` } }], {
-      relativeTo: this.route.parent
+      relativeTo: this.route.parent,
+      queryParamsHandling: 'merge'
     });
   }
 
diff --git a/web/src/app/workplace/components/taskdetails/taskdetails.component.ts b/web/src/app/workplace/components/taskdetails/taskdetails.component.ts
index f975ccf4e..226feec95 100644
--- a/web/src/app/workplace/components/taskdetails/taskdetails.component.ts
+++ b/web/src/app/workplace/components/taskdetails/taskdetails.component.ts
@@ -53,7 +53,7 @@ export class TaskdetailsComponent implements OnInit, OnDestroy {
       this.currentId = params.id;
       // redirect if user enters through a deep-link
       if (!this.currentWorkbasket && this.currentId === 'new-task') {
-        this.router.navigate(['']);
+        this.router.navigate([''], { queryParamsHandling: 'merge' });
       }
       this.getTask();
     });
@@ -99,7 +99,10 @@ export class TaskdetailsComponent implements OnInit, OnDestroy {
   }
 
   openTask() {
-    this.router.navigate([{ outlets: { detail: `task/${this.currentId}` } }], { relativeTo: this.route.parent });
+    this.router.navigate([{ outlets: { detail: `task/${this.currentId}` } }], {
+      relativeTo: this.route.parent,
+      queryParamsHandling: 'merge'
+    });
   }
 
   workOnTaskDisabled(): boolean {
@@ -118,7 +121,7 @@ export class TaskdetailsComponent implements OnInit, OnDestroy {
       () => {
         this.taskService.publishTaskDeletion();
         this.task = null;
-        this.router.navigate(['taskana/workplace/tasks']);
+        this.router.navigate(['taskana/workplace/tasks'], { queryParamsHandling: 'merge' });
       },
       (error) => {
         this.notificationService.triggerError(NOTIFICATION_TYPES.DELETE_ERR_2, error);
@@ -133,7 +136,7 @@ export class TaskdetailsComponent implements OnInit, OnDestroy {
   backClicked(): void {
     delete this.task;
     this.taskService.selectTask(this.task);
-    this.router.navigate(['./'], { relativeTo: this.route.parent });
+    this.router.navigate(['./'], { relativeTo: this.route.parent, queryParamsHandling: 'merge' });
   }
 
   ngOnDestroy(): void {
@@ -188,7 +191,7 @@ export class TaskdetailsComponent implements OnInit, OnDestroy {
         this.task = task;
         this.taskService.selectTask(this.task);
         this.taskService.publishUpdatedTask(task);
-        this.router.navigate([`../${task.taskId}`], { relativeTo: this.route });
+        this.router.navigate([`../${task.taskId}`], { relativeTo: this.route, queryParamsHandling: 'merge' });
       },
       () => {
         this.requestInProgressService.setRequestInProgress(false);