diff --git a/lib/generators/simple_form/templates/simple_form.rb b/lib/generators/simple_form/templates/simple_form.rb
index 30fd82e7..e3006427 100644
--- a/lib/generators/simple_form/templates/simple_form.rb
+++ b/lib/generators/simple_form/templates/simple_form.rb
@@ -10,6 +10,9 @@ SimpleForm.setup do |config|
   # CSS class to add to all hint tags.
   # config.hint_class = :hint
 
+  # Default tag used on errors.
+  # config.error_class = :error
+
   # Default tag used on errors.
   # config.error_tag = :span
 
diff --git a/lib/simple_form.rb b/lib/simple_form.rb
index 476cc376..7534dd40 100644
--- a/lib/simple_form.rb
+++ b/lib/simple_form.rb
@@ -23,6 +23,10 @@ module SimpleForm
   mattr_accessor :error_tag
   @@error_tag = :span
 
+  # CSS class to add to all error tags.
+  mattr_accessor :error_class
+  @@error_class = :error
+
   # Method used to tidy up errors.
   mattr_accessor :error_method
   @@error_method = :first
diff --git a/lib/simple_form/components/errors.rb b/lib/simple_form/components/errors.rb
index 33c82177..81ed15a3 100644
--- a/lib/simple_form/components/errors.rb
+++ b/lib/simple_form/components/errors.rb
@@ -20,7 +20,7 @@ module SimpleForm
       end
 
       def error_html_options
-        html_options_for(:error, [:error])
+        html_options_for(:error, [SimpleForm.error_class])
       end
 
     protected