diff --git a/spec/fixtures/files/filter_record_transformer.conf b/spec/fixtures/files/filter_record_transformer.conf
index 58aadb6..6131586 100644
--- a/spec/fixtures/files/filter_record_transformer.conf
+++ b/spec/fixtures/files/filter_record_transformer.conf
@@ -1,6 +1,6 @@
 <filter *.test>
-        type record_transformer
-        <record>
-            hostname ${hostname}
-        </record>
+  type record_transformer
+  <record>
+    hostname ${hostname}
+  </record>
 </filter>
diff --git a/templates/filter.erb b/templates/filter.erb
index 830cfdb..289c167 100644
--- a/templates/filter.erb
+++ b/templates/filter.erb
@@ -1,13 +1,13 @@
 <filter <%= @pattern %>>
 <% @config.each do |key, val| -%>
-    <%- if val.is_a?( Hash ) -%>
-        <<%= key -%>>
-        <%- val.each do |key2, val2| -%>
-            <%= key2 -%> <%= val2 %>
-        <%- end -%>
-        </<%= key %>>
-    <%- else -%>
-        <%= key -%> <%= val %>
-    <%- end -%>
+  <%- if val.is_a?( Hash ) -%>
+  <<%= key -%>>
+  <%- val.each do |key2, val2| -%>
+    <%= key2 -%> <%= val2 %>
+  <%- end -%>
+  </<%= key %>>
+  <%- else -%>
+  <%= key -%> <%= val %>
+  <%- end -%>
 <% end -%>
 </filter>