diff --git a/src/app/shared/search/search-export-csv/search-export-csv.component.spec.ts b/src/app/shared/search/search-export-csv/search-export-csv.component.spec.ts
index fc4052a52e1..9abdd8d366f 100644
--- a/src/app/shared/search/search-export-csv/search-export-csv.component.spec.ts
+++ b/src/app/shared/search/search-export-csv/search-export-csv.component.spec.ts
@@ -13,7 +13,6 @@ import { AuthorizationDataService } from '../../../core/data/feature-authorizati
 import { ScriptDataService } from '../../../core/data/processes/script-data.service';
 import { getProcessDetailRoute } from '../../../process-page/process-page-routing.paths';
 import { Process } from '../../../process-page/processes/process.model';
-import { Script } from '../../../process-page/scripts/script.model';
 import { NotificationsService } from '../../notifications/notifications.service';
 import {
   createFailedRemoteDataObject$,
@@ -33,7 +32,6 @@ describe('SearchExportCsvComponent', () => {
   let notificationsService;
   let router;
 
-  const script = Object.assign(new Script(), { id: 'metadata-export-search', name: 'metadata-export-search' });
   const process = Object.assign(new Process(), { processId: 5, scriptName: 'metadata-export-search' });
 
   const searchConfig = new PaginatedSearchOptions({
@@ -49,7 +47,7 @@ describe('SearchExportCsvComponent', () => {
 
   function initBeforeEachAsync() {
     scriptDataService = jasmine.createSpyObj('scriptDataService', {
-      findById: createSuccessfulRemoteDataObject$(script),
+      scriptWithNameExistsAndCanExecute: observableOf(true),
       invoke: createSuccessfulRemoteDataObject$(process),
     });
     authorizationDataService = jasmine.createSpyObj('authorizationService', {
@@ -117,15 +115,22 @@ describe('SearchExportCsvComponent', () => {
     describe('when the metadata-export-search script is not present', () => {
       beforeEach(waitForAsync(() => {
         initBeforeEachAsync();
-        (scriptDataService.findById as jasmine.Spy).and.returnValue(createFailedRemoteDataObject$('Not found', 404));
+        (scriptDataService.scriptWithNameExistsAndCanExecute as jasmine.Spy).and.returnValue(observableOf(false));
       }));
-      beforeEach(() => {
-        initBeforeEach();
-      });
+
       it('should should not add the button', () => {
+        initBeforeEach();
+
         const debugElement = fixture.debugElement.query(By.css('button.export-button'));
         expect(debugElement).toBeNull();
       });
+
+      it('should not call scriptWithNameExistsAndCanExecute when unauthorized', () => {
+        (authorizationDataService.isAuthorized as jasmine.Spy).and.returnValue(observableOf(false));
+        initBeforeEach();
+
+        expect(scriptDataService.scriptWithNameExistsAndCanExecute).not.toHaveBeenCalled();
+      });
     });
   });
   describe('export', () => {
diff --git a/src/app/shared/search/search-export-csv/search-export-csv.component.ts b/src/app/shared/search/search-export-csv/search-export-csv.component.ts
index 9e25e387c21..f8ec2012b1b 100644
--- a/src/app/shared/search/search-export-csv/search-export-csv.component.ts
+++ b/src/app/shared/search/search-export-csv/search-export-csv.component.ts
@@ -13,11 +13,13 @@ import {
   TranslateModule,
   TranslateService,
 } from '@ngx-translate/core';
+import { Observable } from 'rxjs';
 import {
-  combineLatest as observableCombineLatest,
-  Observable,
-} from 'rxjs';
-import { map } from 'rxjs/operators';
+  filter,
+  map,
+  startWith,
+  switchMap,
+} from 'rxjs/operators';
 
 import { AuthorizationDataService } from '../../../core/data/feature-authorization/authorization-data.service';
 import { FeatureID } from '../../../core/data/feature-authorization/feature-id';
@@ -32,6 +34,7 @@ import {
 } from '../../empty.util';
 import { NotificationsService } from '../../notifications/notifications.service';
 import { PaginatedSearchOptions } from '../models/paginated-search-options.model';
+import { SearchFilter } from '../models/search-filter.model';
 
 @Component({
   selector: 'ds-search-export-csv',
@@ -69,15 +72,11 @@ export class SearchExportCsvComponent implements OnInit {
   }
 
   ngOnInit(): void {
-    const scriptExists$ = this.scriptDataService.findById('metadata-export-search').pipe(
-      getFirstCompletedRemoteData(),
-      map((rd) => rd.isSuccess && hasValue(rd.payload)),
-    );
-
-    const isAuthorized$ = this.authorizationDataService.isAuthorized(FeatureID.AdministratorOf);
-
-    this.shouldShowButton$ = observableCombineLatest([scriptExists$, isAuthorized$]).pipe(
-      map(([scriptExists, isAuthorized]: [boolean, boolean]) => scriptExists && isAuthorized),
+    this.shouldShowButton$ = this.authorizationDataService.isAuthorized(FeatureID.AdministratorOf).pipe(
+      filter((isAuthorized: boolean) => isAuthorized),
+      switchMap(() => this.scriptDataService.scriptWithNameExistsAndCanExecute('metadata-export-search')),
+      map((canExecute: boolean) => canExecute),
+      startWith(false),
     );
   }
 
@@ -97,19 +96,19 @@ export class SearchExportCsvComponent implements OnInit {
         parameters.push({ name: '-c', value: this.searchConfig.configuration });
       }
       if (isNotEmpty(this.searchConfig.filters)) {
-        this.searchConfig.filters.forEach((filter) => {
-          if (hasValue(filter.values)) {
-            filter.values.forEach((value) => {
+        this.searchConfig.filters.forEach((searchFilter: SearchFilter) => {
+          if (hasValue(searchFilter.values)) {
+            searchFilter.values.forEach((value: string) => {
               let operator;
               let filterValue;
-              if (hasValue(filter.operator)) {
-                operator = filter.operator;
+              if (hasValue(searchFilter.operator)) {
+                operator = searchFilter.operator;
                 filterValue = value;
               } else {
                 operator = value.substring(value.lastIndexOf(',') + 1);
                 filterValue = value.substring(0, value.lastIndexOf(','));
               }
-              const valueToAdd = `${filter.key.substring(2)},${operator}=${filterValue}`;
+              const valueToAdd = `${searchFilter.key.substring(2)},${operator}=${filterValue}`;
               parameters.push({ name: '-f', value: valueToAdd });
             });
           }
diff --git a/src/app/shared/search/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts b/src/app/shared/search/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts
index f09c4f18f48..0bb708db91e 100644
--- a/src/app/shared/search/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts
+++ b/src/app/shared/search/search-filters/search-filter/search-facet-filter/search-facet-filter.component.ts
@@ -160,7 +160,7 @@ export class SearchFacetFilterComponent implements OnInit, OnDestroy {
     this.currentUrl = this.router.url;
     this.currentPage = this.getCurrentPage().pipe(distinctUntilChanged());
     this.searchOptions$ = this.searchConfigService.searchOptions.pipe(
-      map((options: SearchOptions) => hasNoValue(this.scope) ? options : Object.assign({}, options, {
+      map((options: SearchOptions) => hasNoValue(this.scope) ? options : Object.assign(new SearchOptions(options), {
         scope: this.scope,
       })),
     );