diff --git a/src/app/core/data/comcol-data.service.spec.ts b/src/app/core/data/comcol-data.service.spec.ts
index 80989ee00b..80e70bed51 100644
--- a/src/app/core/data/comcol-data.service.spec.ts
+++ b/src/app/core/data/comcol-data.service.spec.ts
@@ -207,12 +207,12 @@ describe('ComColDataService', () => {
         it('top level community cache refreshed', () => {
           scheduler.schedule(() => (service as any).refreshCache(data));
           scheduler.flush();
-          expect(requestService.removeByHrefSubstring).toHaveBeenCalledWith('https://rest.api/core/communities/search/top');
+          expect(requestService.setStaleByHrefSubstring).toHaveBeenCalledWith('https://rest.api/core/communities/search/top');
         });
         it('top level community without parent link, cache not refreshed', () => {
           scheduler.schedule(() => (service as any).refreshCache(communityWithoutParentHref));
           scheduler.flush();
-          expect(requestService.removeByHrefSubstring).not.toHaveBeenCalled();
+          expect(requestService.setStaleByHrefSubstring).not.toHaveBeenCalled();
         });
       });
 
@@ -245,7 +245,7 @@ describe('ComColDataService', () => {
         it('child level community cache refreshed', () => {
           scheduler.schedule(() => (service as any).refreshCache(data));
           scheduler.flush();
-          expect(requestService.removeByHrefSubstring).toHaveBeenCalledWith('a20da287-e174-466a-9926-f66as300d399');
+          expect(requestService.setStaleByHrefSubstring).toHaveBeenCalledWith('a20da287-e174-466a-9926-f66as300d399');
         });
       });
     });
diff --git a/src/app/core/data/comcol-data.service.ts b/src/app/core/data/comcol-data.service.ts
index ca8d510b14..3098bdf4be 100644
--- a/src/app/core/data/comcol-data.service.ts
+++ b/src/app/core/data/comcol-data.service.ts
@@ -1,5 +1,5 @@
 import { distinctUntilChanged, filter, map, switchMap, take, tap } from 'rxjs/operators';
-import { Observable } from 'rxjs';
+import { combineLatest as observableCombineLatest, Observable } from 'rxjs';
 import { hasValue, isEmpty, isNotEmpty } from '../../shared/empty.util';
 import { ObjectCacheService } from '../cache/object-cache.service';
 import { Community } from '../shared/community.model';
@@ -116,15 +116,16 @@ export abstract class ComColDataService<T extends Community | Collection> extend
     if (!hasValue(parentCommunityUrl)) {
       return;
     }
-    this.findByHref(parentCommunityUrl).pipe(
-      getFirstCompletedRemoteData(),
-    ).subscribe((rd: RemoteData<any>) => {
+    observableCombineLatest([
+      this.findByHref(parentCommunityUrl).pipe(
+        getFirstCompletedRemoteData(),
+      ),
+      this.halService.getEndpoint('communities/search/top').pipe(take(1))
+    ]).subscribe(([rd, topHref]: [RemoteData<any>, string]) => {
       if (rd.hasSucceeded && isNotEmpty(rd.payload) && isNotEmpty(rd.payload.id)) {
-        this.requestService.removeByHrefSubstring(rd.payload.id);
+        this.requestService.setStaleByHrefSubstring(rd.payload.id);
       } else {
-        this.halService.getEndpoint('communities/search/top')
-          .pipe(take(1))
-          .subscribe((href) => this.requestService.removeByHrefSubstring(href));
+        this.requestService.setStaleByHrefSubstring(topHref);
       }
     });
   }