diff --git a/manifests/params.pp b/manifests/params.pp
index 4a28bbe..8d3b7eb 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -5,7 +5,13 @@
 class mistral::params {
   include ::openstacklib::defaults
 
-  $client_package      = 'python-mistralclient'
+  if ($::os_package_type == 'debian') {
+    $pyvers = '3'
+  } else {
+    $pyvers = ''
+  }
+
+  $client_package      = "python-${pyvers}mistralclient"
   $db_sync_command     = 'mistral-db-manage --config-file=/etc/mistral/mistral.conf upgrade head'
   $db_populate_command = 'mistral-db-manage --config-file=/etc/mistral/mistral.conf populate'
   $group               = 'mistral'
diff --git a/spec/classes/mistral_client_spec.rb b/spec/classes/mistral_client_spec.rb
index 7f83e3b..60e79a7 100644
--- a/spec/classes/mistral_client_spec.rb
+++ b/spec/classes/mistral_client_spec.rb
@@ -24,8 +24,17 @@ describe 'mistral::client' do
         facts.merge!(OSDefaults.get_facts())
       end
 
-      let :platform_params do
-        { :client_package => 'python-mistralclient' }
+      let(:platform_params) do
+        case facts[:osfamily]
+        when 'Debian'
+          if facts[:os_package_type] == 'debian'
+            { :client_package => 'python3-mistralclient' }
+          else
+            { :client_package => 'python-mistralclient' }
+          end
+        when 'RedHat'
+          { :client_package => 'python-mistralclient' }
+        end
       end
 
       it_behaves_like 'mistral client'