diff --git a/src/app/core/data/data.service.spec.ts b/src/app/core/data/data.service.spec.ts
index c5748b05fb..c370be2b9e 100644
--- a/src/app/core/data/data.service.spec.ts
+++ b/src/app/core/data/data.service.spec.ts
@@ -16,8 +16,10 @@ import { HALEndpointService } from '../shared/hal-endpoint.service';
 import { Item } from '../shared/item.model';
 import { ChangeAnalyzer } from './change-analyzer';
 import { DataService } from './data.service';
-import { FindListOptions } from './request.models';
+import { FindListOptions, PatchRequest } from './request.models';
 import { RequestService } from './request.service';
+import { getMockRequestService } from '../../shared/mocks/mock-request.service';
+import { HALEndpointServiceStub } from '../../shared/testing/hal-endpoint-service-stub';
 
 const endpoint = 'https://rest.api/core';
 
@@ -53,8 +55,8 @@ class DummyChangeAnalyzer implements ChangeAnalyzer<Item> {
 describe('DataService', () => {
   let service: TestService;
   let options: FindListOptions;
-  const requestService = { generateRequestId: () => uuidv4() } as RequestService;
-  const halService = {} as HALEndpointService;
+  const requestService = getMockRequestService();
+  const halService = new HALEndpointServiceStub('url') as any;
   const rdbService = {} as RemoteDataBuildService;
   const notificationsService = {} as NotificationsService;
   const http = {} as HttpClient;
@@ -285,18 +287,23 @@ describe('DataService', () => {
   });
 
   describe('patch', () => {
-    let operations;
-    let selfLink;
+    const dso = {
+      uuid: 'dso-uuid'
+    };
+    const operations = [
+      Object.assign({
+        op: 'move',
+        from: '/1',
+        path: '/5'
+      }) as Operation
+    ];
 
     beforeEach(() => {
-      operations = [{ op: 'replace', path: '/metadata/dc.title', value: 'random string' } as Operation];
-      selfLink = 'https://rest.api/endpoint/1698f1d3-be98-4c51-9fd8-6bfedcbd59b7';
-      spyOn(objectCache, 'addPatch');
+      service.patch(dso, operations);
     });
 
-    it('should call addPatch on the object cache with the right parameters', () => {
-      service.patch(selfLink, operations);
-      expect(objectCache.addPatch).toHaveBeenCalledWith(selfLink, operations);
+    it('should configure a PatchRequest', () => {
+      expect(requestService.configure).toHaveBeenCalledWith(jasmine.any(PatchRequest));
     });
   });
 
diff --git a/src/app/core/data/data.service.ts b/src/app/core/data/data.service.ts
index 3e67675290..473e03d6f7 100644
--- a/src/app/core/data/data.service.ts
+++ b/src/app/core/data/data.service.ts
@@ -44,7 +44,7 @@ import {
   FindByIDRequest,
   FindListOptions,
   FindListRequest,
-  GetRequest
+  GetRequest, PatchRequest
 } from './request.models';
 import { RequestEntry } from './request.reducer';
 import { RequestService } from './request.service';
@@ -329,12 +329,28 @@ export abstract class DataService<T extends CacheableObject> {
   }
 
   /**
-   * Add a new patch to the object cache to a specified object
-   * @param {string} href The selflink of the object that will be patched
+   * Send a patch request for a specified object
+   * @param {T} dso The object to send a patch request for
    * @param {Operation[]} operations The patch operations to be performed
    */
-  patch(href: string, operations: Operation[]) {
-    this.objectCache.addPatch(href, operations);
+  patch(dso: T, operations: Operation[]): Observable<RestResponse> {
+    const requestId = this.requestService.generateRequestId();
+
+    const hrefObs = this.halService.getEndpoint(this.linkPath).pipe(
+      map((endpoint: string) => this.getIDHref(endpoint, dso.uuid)));
+
+    hrefObs.pipe(
+      find((href: string) => hasValue(href)),
+      map((href: string) => {
+        const request = new PatchRequest(requestId, href, operations);
+        this.requestService.configure(request);
+      })
+    ).subscribe();
+
+    return this.requestService.getByUUID(requestId).pipe(
+      find((request: RequestEntry) => request.completed),
+      map((request: RequestEntry) => request.response)
+    );
   }
 
   /**
diff --git a/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.spec.ts b/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.spec.ts
index 9c05fa98d1..2cb687d34d 100644
--- a/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.spec.ts
+++ b/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.spec.ts
@@ -8,6 +8,8 @@ import { EPersonDataService } from '../../core/eperson/eperson-data.service';
 import { NotificationsService } from '../../shared/notifications/notifications.service';
 import { FormBuilderService } from '../../shared/form/builder/form-builder.service';
 import { ProfilePageSecurityFormComponent } from './profile-page-security-form.component';
+import { of as observableOf } from 'rxjs';
+import { RestResponse } from '../../core/cache/response.models';
 
 describe('ProfilePageSecurityFormComponent', () => {
   let component: ProfilePageSecurityFormComponent;
@@ -20,7 +22,7 @@ describe('ProfilePageSecurityFormComponent', () => {
   });
 
   const epersonService = jasmine.createSpyObj('epersonService', {
-    patch: {}
+    patch: observableOf(new RestResponse(true,  200, 'OK'))
   });
   const notificationsService = jasmine.createSpyObj('notificationsService', {
     success: {},
@@ -94,7 +96,7 @@ describe('ProfilePageSecurityFormComponent', () => {
       });
 
       it('should return call epersonService.patch', () => {
-        expect(epersonService.patch).toHaveBeenCalledWith(user.self, operations);
+        expect(epersonService.patch).toHaveBeenCalledWith(user, operations);
       });
     });
   });
diff --git a/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.ts b/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.ts
index d7f6213dc6..f964b02280 100644
--- a/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.ts
+++ b/src/app/profile-page/profile-page-security-form/profile-page-security-form.component.ts
@@ -116,11 +116,19 @@ export class ProfilePageSecurityFormComponent implements OnInit {
     }
     if (passEntered) {
       const operation = Object.assign({ op: 'replace', path: '/password', value: pass });
-      this.epersonService.patch(this.user.self, [operation]);
-      this.notificationsService.success(
-        this.translate.instant(this.NOTIFICATIONS_PREFIX + 'success.title'),
-        this.translate.instant(this.NOTIFICATIONS_PREFIX + 'success.content')
-      );
+      this.epersonService.patch(this.user, [operation]).subscribe((response: RestResponse) => {
+        if (response.isSuccessful) {
+          this.notificationsService.success(
+            this.translate.instant(this.NOTIFICATIONS_PREFIX + 'success.title'),
+            this.translate.instant(this.NOTIFICATIONS_PREFIX + 'success.content')
+          );
+        } else {
+          this.notificationsService.error(
+            this.translate.instant(this.NOTIFICATIONS_PREFIX + 'error.title'), (response as ErrorResponse).errorMessage
+          );
+        }
+      });
+
     }
 
     return passEntered;