diff --git a/manifests/magnum.pp b/manifests/magnum.pp
index 9a999278..5a0446ca 100644
--- a/manifests/magnum.pp
+++ b/manifests/magnum.pp
@@ -17,11 +17,11 @@
 #
 # [*image_os_distro*]
 #   (Optional) If provision_image is true, the os_distro propery of the image
-#   Defaults to fedora-atomic-latest
+#   Defaults to fedora-coreos-latest
 #
 # [*image_name*]
 #   (Optional) The name of the image to be used for ClusterTemplate
-#   Defaults to 'fedora-atomic-latest'
+#   Defaults to 'fedora-coreos-latest'
 #
 # [*provision_flavors*]
 #   (Optional) If ::tempest::magnum should configure the testing flavors
@@ -79,8 +79,8 @@
 class tempest::magnum (
   Boolean $provision_image          = true,
   Optional[String[1]] $image_source = undef,
-  String[1] $image_name             = 'fedora-atomic-latest',
-  String[1] $image_os_distro        = 'fedora-atomic',
+  String[1] $image_name             = 'fedora-coreos-latest',
+  String[1] $image_os_distro        = 'fedora-coreos',
   Boolean $provision_flavors        = true,
   String[1] $flavor_id              = 's1.magnum',
   String[1] $master_flavor_id       = 'm1.magnum',
diff --git a/spec/classes/tempest_magnum_spec.rb b/spec/classes/tempest_magnum_spec.rb
index 3b7e96e1..e478d967 100644
--- a/spec/classes/tempest_magnum_spec.rb
+++ b/spec/classes/tempest_magnum_spec.rb
@@ -11,7 +11,7 @@ describe 'tempest::magnum' do
 
   let :params do
     {
-      :image_source => 'https://fedorapeople.org/groups/magnum/fedora-atomic-latest.qcow2',
+      :image_source => 'https://fedorapeople.org/groups/magnum/fedora-coreos-latest.qcow2',
       :nic_id       => 'b2e6021a-4956-4a1f-8329-790b9add05a9',
     }
   end
@@ -19,15 +19,15 @@ describe 'tempest::magnum' do
   shared_examples 'tempest magnum' do
     context 'with default parameters' do
       it 'provisions resources and configures tempest for magnum' do
-        is_expected.to contain_glance_image('fedora-atomic-latest').with(
+        is_expected.to contain_glance_image('fedora-coreos-latest').with(
           :ensure     => 'present',
-          :source     => 'https://fedorapeople.org/groups/magnum/fedora-atomic-latest.qcow2',
-          :properties => {'os_distro' => 'fedora-atomic'}
+          :source     => 'https://fedorapeople.org/groups/magnum/fedora-coreos-latest.qcow2',
+          :properties => {'os_distro' => 'fedora-coreos'}
         )
         is_expected.to contain_nova_flavor('s1.magnum').with_ensure('present')
         is_expected.to contain_nova_flavor('m1.magnum').with_ensure('present')
 
-        is_expected.to contain_tempest_config('magnum/image_id').with_value('fedora-atomic-latest')
+        is_expected.to contain_tempest_config('magnum/image_id').with_value('fedora-coreos-latest')
         is_expected.to contain_tempest_config('magnum/nic_id').with_value('b2e6021a-4956-4a1f-8329-790b9add05a9')
         is_expected.to contain_tempest_config('magnum/keypair_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_tempest_config('magnum/flavor_id').with_value('s1.magnum')