diff --git a/src/environments/environment.beta.ts b/src/environments/environment.beta.ts
index dc5d915..f7de974 100644
--- a/src/environments/environment.beta.ts
+++ b/src/environments/environment.beta.ts
@@ -28,6 +28,8 @@ export let properties: EnvProperties = {
   cordisURL: "http://cordis.europa.eu/projects/",
   openDoarURL: "http://v2.sherpa.ac.uk/id/repository/",
   r3DataURL: "http://service.re3data.org/repository/",
+  sherpaURL: 'http://sherpa.ac.uk/romeo/issn/',
+  sherpaURLSuffix: '/',
   zenodo: "https://zenodo.org/",
   zenodoCommunities: "https://zenodo.org/api/communities/",
   openAccess: "https://www.openaire.eu/support/faq#article-id-234",
diff --git a/src/environments/environment.prod.ts b/src/environments/environment.prod.ts
index bb04a0e..3233828 100644
--- a/src/environments/environment.prod.ts
+++ b/src/environments/environment.prod.ts
@@ -28,6 +28,8 @@ export let properties: EnvProperties = {
   cordisURL: "http://cordis.europa.eu/projects/",
   openDoarURL: "http://v2.sherpa.ac.uk/id/repository/",
   r3DataURL: "http://service.re3data.org/repository/",
+  sherpaURL: 'http://sherpa.ac.uk/romeo/issn/',
+  sherpaURLSuffix: '/',
   zenodo: "https://zenodo.org/",
   zenodoCommunities: "https://zenodo.org/api/communities/",
   openAccess: "https://www.openaire.eu/support/faq#article-id-234",
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
index 0f82939..adc7e5b 100644
--- a/src/environments/environment.ts
+++ b/src/environments/environment.ts
@@ -33,6 +33,8 @@ export let properties: EnvProperties = {
   cordisURL: "http://cordis.europa.eu/projects/",
   openDoarURL: "http://v2.sherpa.ac.uk/id/repository/",
   r3DataURL: "http://service.re3data.org/repository/",
+  sherpaURL: 'http://sherpa.ac.uk/romeo/issn/',
+  sherpaURLSuffix: '/',
   zenodo: "https://zenodo.org/",
   zenodoCommunities: "https://zenodo.org/api/communities/",
   openAccess: "https://www.openaire.eu/support/faq#article-id-234",