diff --git a/manifests/init.pp b/manifests/init.pp
index 72dd6e0b9..ddfa3eafc 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -551,11 +551,12 @@ but should be one of: ssh-rsa, ssh-dsa, ssh-ecdsa.")
       }
 
       file { $nova_private_key_file:
-        content => $nova_private_key[key],
-        mode    => '0600',
-        owner   => $::nova::params::user,
-        group   => $::nova::params::group,
-        require => File['/var/lib/nova/.ssh'],
+        content   => $nova_private_key[key],
+        mode      => '0600',
+        owner     => $::nova::params::user,
+        group     => $::nova::params::group,
+        show_diff => false,
+        require   => File['/var/lib/nova/.ssh'],
       }
     }
   }
diff --git a/spec/classes/nova_init_spec.rb b/spec/classes/nova_init_spec.rb
index 25630757a..7693af2c5 100644
--- a/spec/classes/nova_init_spec.rb
+++ b/spec/classes/nova_init_spec.rb
@@ -344,7 +344,8 @@ describe 'nova' do
 
       it 'should install ssh private key' do
         is_expected.to contain_file('/var/lib/nova/.ssh/id_rsa').with(
-          :content => 'keydata'
+          :content   => 'keydata',
+          :show_diff => false,
         )
       end
     end
@@ -359,7 +360,7 @@ describe 'nova' do
       it 'should raise an error' do
         expect {
           is_expected.to contain_file('/var/lib/nova/.ssh/id_rsa').with(
-            :content => 'keydata'
+            :content => 'keydata',
           )
         }.to raise_error Puppet::Error, /You must provide both a key type and key data./
       end