diff --git a/attributes/default.rb b/attributes/default.rb
index 77e90db..e660c6c 100644
--- a/attributes/default.rb
+++ b/attributes/default.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 #
 # Cookbook Name:: ssh-hardening
 # Attributes:: default
diff --git a/recipes/client.rb b/recipes/client.rb
index b5a9c4a..47b69c4 100644
--- a/recipes/client.rb
+++ b/recipes/client.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 #
 # Cookbook Name:: ssh-hardening
 # Recipe:: ssh_client.rb
diff --git a/recipes/default.rb b/recipes/default.rb
index c52116c..8a4e128 100644
--- a/recipes/default.rb
+++ b/recipes/default.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 #
 # Cookbook Name:: ssh-hardening
 # Recipe:: default.rb
diff --git a/recipes/server.rb b/recipes/server.rb
index 5c97f42..f3aedcf 100644
--- a/recipes/server.rb
+++ b/recipes/server.rb
@@ -1,3 +1,4 @@
+# encoding: utf-8
 #
 # Cookbook Name:: ssh-hardening
 # Recipe:: ssh_server.rb
@@ -59,7 +60,7 @@ def get_key_from(field)
   owner 'root'
   group 'root'
   variables(
-    :keys => keys
+    keys: keys
   )
   only_if { !keys.empty? }
 end