diff --git a/.rubocop.yml b/.rubocop.yml
index 099a11c53..cb56bc40e 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -42,6 +42,7 @@ Lint/LiteralInInterpolation:
 
 Style/HashSyntax:
   Enabled: True
+  EnforcedStyle: 'hash_rockets'
 
 Style/RedundantReturn:
   Enabled: True
diff --git a/lib/facter/alert_manager_running.rb b/lib/facter/alert_manager_running.rb
index 8c2908a0f..1b3f41b92 100644
--- a/lib/facter/alert_manager_running.rb
+++ b/lib/facter/alert_manager_running.rb
@@ -1,6 +1,6 @@
 require 'puppet'
 
-service = Puppet::Type.type(:service).new(name: 'alert_manager')
+service = Puppet::Type.type(:service).new(:name => 'alert_manager')
 
 Facter.add('prometheus_alert_manager_running') do
   setcode do