diff --git a/lib/puppet/provider/network_config/interfaces.rb b/lib/puppet/provider/network_config/interfaces.rb
index a50f1e6..bf2c811 100644
--- a/lib/puppet/provider/network_config/interfaces.rb
+++ b/lib/puppet/provider/network_config/interfaces.rb
@@ -245,7 +245,7 @@ def self.parse_file(_filename, contents)
   end
 
   def self.interface_order(name, rules)
-    (rules['rules'].map{ |entry| if name.match(entry.first) then entry.last end } + [rules['default']]).compact.first
+    (rules['rules'].map { |entry| entry.last if name.match(entry.first) } + [rules['default']]).compact.first
   end
 
   # Generate an array of sections
@@ -257,7 +257,7 @@ def self.format_file(_filename, providers)
     auto_interfaces = providers.select { |provider| provider.onboot == true }
     unless auto_interfaces.empty?
       stanza = []
-      stanza << ('auto ' + auto_interfaces.sort_by{ |provider| interface_order(provider.name, provider.order_rules) }.map(&:name).join(' '))
+      stanza << ('auto ' + auto_interfaces.sort_by { |provider| interface_order(provider.name, provider.order_rules) }.map(&:name).join(' '))
       contents << stanza.join("\n")
     end
 
@@ -265,12 +265,12 @@ def self.format_file(_filename, providers)
     hotplug_interfaces = providers.select { |provider| provider.hotplug == true }
     unless hotplug_interfaces.empty?
       stanza = []
-      stanza << ('allow-hotplug ' + hotplug_interfaces.sort_by{ |provider| interface_order(provider.name, provider.order_rules) }.map(&:name).join(' '))
+      stanza << ('allow-hotplug ' + hotplug_interfaces.sort_by { |provider| interface_order(provider.name, provider.order_rules) }.map(&:name).join(' '))
       contents << stanza.join("\n")
     end
 
     # Build iface stanzas
-    providers.sort_by{ |provider| interface_order(provider.name, provider.order_rules) }.each do |provider|
+    providers.sort_by { |provider| interface_order(provider.name, provider.order_rules) }.each do |provider|
       # TODO: add validation method
       raise Puppet::Error, "#{provider.name} does not have a method." if provider.method.nil?
       raise Puppet::Error, "#{provider.name} does not have a family." if provider.family.nil?