diff --git a/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb b/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
index 7b6673b6..ddeb7e50 100644
--- a/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
+++ b/lib/generators/simple_form/templates/config/initializers/simple_form_bootstrap.rb
@@ -1,6 +1,5 @@
 # Use this setup block to configure all options available in SimpleForm.
 SimpleForm.setup do |config|
-  config.error_notification_class = 'alert alert-error'
   config.button_class = 'btn btn-default'
   config.boolean_label_class = nil
 
@@ -11,7 +10,7 @@ SimpleForm.setup do |config|
 
     b.wrapper tag: 'div' do |ba|
       ba.use :input, class: 'form-control'
-      ba.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end
@@ -23,7 +22,7 @@ SimpleForm.setup do |config|
 
     b.wrapper tag: 'div' do |ba|
       ba.use :input
-      ba.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end
@@ -36,7 +35,7 @@ SimpleForm.setup do |config|
       ba.use :label_input
     end
 
-    b.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+    b.use :error, wrap_with: { tag: 'span', class: 'help-block' }
     b.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
   end
 
@@ -44,7 +43,7 @@ SimpleForm.setup do |config|
     b.use :html5
     b.use :placeholder
     b.use :label_input
-    b.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+    b.use :error, wrap_with: { tag: 'span', class: 'help-block' }
     b.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
   end
 
@@ -55,7 +54,7 @@ SimpleForm.setup do |config|
 
     b.wrapper tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input, class: 'form-control'
-      ba.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end
@@ -67,7 +66,7 @@ SimpleForm.setup do |config|
 
     b.wrapper tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input
-      ba.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end
@@ -81,7 +80,7 @@ SimpleForm.setup do |config|
         ba.use :label_input, class: 'col-sm-9'
       end
 
-      wr.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      wr.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       wr.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end
@@ -94,7 +93,7 @@ SimpleForm.setup do |config|
 
     b.wrapper tag: 'div', class: 'col-sm-9' do |ba|
       ba.use :input
-      ba.use :error, wrap_with: { tag: 'span', class: 'help-inline' }
+      ba.use :error, wrap_with: { tag: 'span', class: 'help-block' }
       ba.use :hint,  wrap_with: { tag: 'p', class: 'help-block' }
     end
   end