diff --git a/src/core/sat_main.py b/src/core/sat_main.py
index d6d2a9de..a6661777 100644
--- a/src/core/sat_main.py
+++ b/src/core/sat_main.py
@@ -309,7 +309,7 @@ class SAT(service.Service):
         client = self.getClient(profile_key)
         if not client:
             raise exceptions.ProfileUnknownError(_("Asking group's contacts for a non-existant profile"))
-        return client.roster.getJidsFromGroup(group)
+        return [jid.full() for jid in client.roster.getJidsFromGroup(group)]
 
     def purgeClient(self, profile):
         """Remove reference to a profile client and purge cache