diff --git a/app/src/composables/data.ts b/app/src/composables/data.ts
index 8a1afa76..3db1b7ad 100644
--- a/app/src/composables/data.ts
+++ b/app/src/composables/data.ts
@@ -161,6 +161,7 @@ export function useDomains(domain_?: MaybeRefOrGetter<string>) {
   }
 
   return {
+    maybeMainDomain: mainDomain,
     mainDomain: computed(() => {
       if (!mainDomain.value) throw new Error(getNoDataMessage('mainDomain'))
       return mainDomain.value
diff --git a/app/src/composables/useInfos.ts b/app/src/composables/useInfos.ts
index 5ade1292..c8218540 100644
--- a/app/src/composables/useInfos.ts
+++ b/app/src/composables/useInfos.ts
@@ -24,9 +24,9 @@ export const useInfos = createGlobalState(() => {
   const routerKey = ref<string | undefined>()
   const breadcrumb = ref<CustomRoute[]>([])
 
-  const { mainDomain } = useDomains()
+  const { maybeMainDomain } = useDomains()
   const ssoLink = computed(() => {
-    return `//${mainDomain.value ?? host.value}/yunohost/sso`
+    return `//${maybeMainDomain.value ?? host.value}/yunohost/sso`
   })
 
   // INIT