diff --git a/src/app/shared/mocks/external-source.service.mock.ts b/src/app/shared/mocks/external-source.service.mock.ts
index 4edf9efb14..3e96eb508e 100644
--- a/src/app/shared/mocks/external-source.service.mock.ts
+++ b/src/app/shared/mocks/external-source.service.mock.ts
@@ -9,10 +9,10 @@ export const externalSourceOrcid: ExternalSource = {
   hierarchical: false,
   _links: {
     entries: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/orcid/entries"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/orcid/entries'
     },
     self: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/orcid"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/orcid'
     }
   }
 };
@@ -24,10 +24,10 @@ export const externalSourceCiencia: ExternalSource = {
   hierarchical: false,
   _links: {
     entries: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/ciencia/entries"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/ciencia/entries'
     },
     self: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/ciencia"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/ciencia'
     }
   }
 };
@@ -39,10 +39,10 @@ export const externalSourceMyStaffDb: ExternalSource = {
   hierarchical: false,
   _links: {
     entries: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/my_staff_db/entries"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/my_staff_db/entries'
     },
     self: {
-      href: "https://dspace7.4science.cloud/server/api/integration/externalsources/my_staff_db"
+      href: 'https://dspace7.4science.cloud/server/api/integration/externalsources/my_staff_db'
     }
   }
 };