diff --git a/lib/ontologies_api_client/collection.rb b/lib/ontologies_api_client/collection.rb
index 5ef779b..a4d34c2 100644
--- a/lib/ontologies_api_client/collection.rb
+++ b/lib/ontologies_api_client/collection.rb
@@ -46,7 +46,7 @@ def uri_from_context(object, media_type)
         def entry_point(media_type, params = {})
           params = { include: @include_attrs, display_links: false, display_context: false}.merge(params)
           federated_get(params) do |url|
-            uri_from_context(top_level_links(url), media_type)
+            uri_from_context(top_level_links(url), media_type) rescue nil
           end
         end
 
diff --git a/lib/ontologies_api_client/request_federation.rb b/lib/ontologies_api_client/request_federation.rb
index 26c6dad..458af90 100644
--- a/lib/ontologies_api_client/request_federation.rb
+++ b/lib/ontologies_api_client/request_federation.rb
@@ -16,7 +16,7 @@ def federated_get(params = {}, &link)
             begin
               HTTP.get(link.call(conn.url_prefix.to_s.chomp('/')), params, connection: conn)
             rescue StandardError => e
-              [OpenStruct.new(errors: "Problem retrieving #{link.call(conn.url_prefix.to_s.chomp('/'))}")]
+              [OpenStruct.new(errors: "Problem retrieving #{link.call(conn.url_prefix.to_s.chomp('/')) || conn.url_prefix}")]
             end
           end
 
diff --git a/test/models/test_federation.rb b/test/models/test_federation.rb
index f66d8db..4890af5 100644
--- a/test/models/test_federation.rb
+++ b/test/models/test_federation.rb
@@ -108,4 +108,15 @@ def test_federated_analytics
     analytics = LinkedData::Client::Analytics.last_month
     refute_empty analytics.onts
   end
+
+
+  def test_federation_ssl_error
+    WebMock.enable!
+    WebMock.stub_request(:get, "#{LinkedData::Client.settings.rest_url.chomp('/')}")
+           .to_raise(Faraday::SSLError)
+    ontologies_federate_one = LinkedData::Client::Models::Ontology.all(display_links: false, display_context: false, invalidate_cache: true)
+
+    refute_nil ontologies_federate_one.first.errors
+    WebMock.disable!
+  end
 end
\ No newline at end of file