diff --git a/spec/defines/ppa_spec.rb b/spec/defines/ppa_spec.rb
index 9d4750b737..95830169b7 100644
--- a/spec/defines/ppa_spec.rb
+++ b/spec/defines/ppa_spec.rb
@@ -19,7 +19,7 @@
       end
 
       it { should contain_exec("apt-update-#{t}").with(
-        'command'     => '/usr/bin/aptitude update',
+        'command'     => '/usr/bin/apt-get update',
         'refreshonly' => true
         )
       }