diff --git a/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb b/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb
index bbb7c53d86..d6ab3257a0 100644
--- a/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb
+++ b/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb
@@ -1,11 +1,15 @@
 class <%= migration_class_name %> < ActiveRecord::Migration
   def self.up<% attributes.each do |attribute| %>
-    <%= migration_action %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'add' %>, :<%= attribute.type %><% end -%>
-  <%- end %>
+    <%- if migration_action -%>
+    <%= migration_action %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'add' %>, :<%= attribute.type %><% end %>
+    <%- end -%>
+  <%- end -%>
   end
 
   def self.down<% attributes.reverse.each do |attribute| %>
-    <%= migration_action == 'add' ? 'remove' : 'add' %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'remove' %>, :<%= attribute.type %><% end -%>
-  <%- end %>
+    <%- if migration_action -%>
+    <%= migration_action == 'add' ? 'remove' : 'add' %>_column :<%= table_name %>, :<%= attribute.name %><% if migration_action == 'remove' %>, :<%= attribute.type %><% end %>
+    <%- end -%>
+  <%- end -%>
   end
 end