diff --git a/app/models/manageiq/providers/nuage/manager_mixin.rb b/app/models/manageiq/providers/nuage/manager_mixin.rb
index d93153cd81..44146b1ef0 100644
--- a/app/models/manageiq/providers/nuage/manager_mixin.rb
+++ b/app/models/manageiq/providers/nuage/manager_mixin.rb
@@ -17,7 +17,7 @@ def raw_connect(username, password, endpoint_opts)
     end
 
     def auth_url(protocol, server, port, version)
-      scheme = protocol == "ssl-with-validation" ? "https" : "http"
+      scheme = %w(ssl ssl-with-validation).include?(protocol) ? "https" : "http"
       URI::Generic.build(:scheme => scheme, :host => server, :port => port, :path => "/nuage/api/#{version}").to_s
     end
   end
diff --git a/spec/models/manageiq/providers/nuage/network_manager_spec.rb b/spec/models/manageiq/providers/nuage/network_manager_spec.rb
index 3dc1a15247..f295c847b5 100644
--- a/spec/models/manageiq/providers/nuage/network_manager_spec.rb
+++ b/spec/models/manageiq/providers/nuage/network_manager_spec.rb
@@ -17,6 +17,12 @@
       @ems.connect
     end
 
+    it 'connects over secure channel without validation' do
+      @ems.security_protocol = 'ssl'
+      expect(ManageIQ::Providers::Nuage::NetworkManager::VsdClient).to receive(:new).with("https://host:8000/nuage/api/v5_0", "testuser", "secret")
+      @ems.connect
+    end
+
     it 'connects over secure channel' do
       @ems.security_protocol = 'ssl-with-validation'
       expect(ManageIQ::Providers::Nuage::NetworkManager::VsdClient).to receive(:new).with("https://host:8000/nuage/api/v5_0", "testuser", "secret")
@@ -144,6 +150,10 @@
       expect(described_class.auth_url(nil, 'hostname', 8443, 'v5')).to eq('http://hostname:8443/nuage/api/v5')
     end
 
+    it 'builds insecure ssl URL' do
+      expect(described_class.auth_url('ssl', 'hostname', 8443, 'v5')).to eq('https://hostname:8443/nuage/api/v5')
+    end
+
     it 'builds secure URL' do
       expect(described_class.auth_url('ssl-with-validation', 'hostname', 8443, 'v5')).to eq('https://hostname:8443/nuage/api/v5')
     end