diff --git a/core/lib/generators/spree/dummy/templates/rails/database.yml b/core/lib/generators/spree/dummy/templates/rails/database.yml
index 77a47f794d..1f118888ff 100644
--- a/core/lib/generators/spree/dummy/templates/rails/database.yml
+++ b/core/lib/generators/spree/dummy/templates/rails/database.yml
@@ -19,7 +19,7 @@
 <% db_username = ENV['DB_USERNAME'] %>
 <% db_password = ENV['DB_PASSWORD'] %>
 
-<% case ENV['DB']
+<% case db
   when 'mysql' %>
 development:
   adapter: mysql2