diff --git a/spec/classes/letsencrypt_install_spec.rb b/spec/classes/letsencrypt_install_spec.rb
index 1cf15d53..ad03bbf8 100644
--- a/spec/classes/letsencrypt_install_spec.rb
+++ b/spec/classes/letsencrypt_install_spec.rb
@@ -29,6 +29,7 @@
     end
 
     describe 'with configure_epel => true' do
+      let(:facts) { { osfamily: 'RedHat', operatingsystem: 'RedHat', operatingsystemrelease: '7.0.1406', operatingsystemmajrelease: '7' } }
       let(:additional_params) { { install_method: 'package', configure_epel: true } }
 
       it { is_expected.to compile }
diff --git a/spec/classes/letsencrypt_spec.rb b/spec/classes/letsencrypt_spec.rb
index 7e01b052..c0bd74c3 100644
--- a/spec/classes/letsencrypt_spec.rb
+++ b/spec/classes/letsencrypt_spec.rb
@@ -109,7 +109,7 @@
   end
 
   context 'on unknown operating systems' do
-    let(:facts) { { osfamily: 'Darwin', path: '/usr/bin' } }
+    let(:facts) { { osfamily: 'Darwin', operatingsystem: 'Darwin', operatingsystemrelease: '14.5.0', path: '/usr/bin' } }
     let(:params) { { email: 'foo@example.com' } }
 
     describe 'with defaults' do
@@ -122,7 +122,7 @@
   end
 
   context 'on EL7 operating system' do
-    let(:facts) { { osfamily: 'RedHat', operatingsystemrelease: '7.2', path: '/usr/bin' } }
+    let(:facts) { { osfamily: 'RedHat', operatingsystem: 'RedHat', operatingsystemrelease: '7.2', path: '/usr/bin' } }
     let(:params) { { email: 'foo@example.com' } }
 
     describe 'with defaults' do