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-rw-r--r--railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb b/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb
index 17a86f376b..400afec6dc 100644
--- a/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb
+++ b/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb
@@ -52,7 +52,7 @@ class <%= controller_class_name %>Controller < ApplicationController
# Only allow a trusted parameter "white list" through.
def <%= "#{singular_table_name}_params" %>
<%- if attributes_names.empty? -%>
- params[:<%= singular_table_name %>]
+ params.fetch(:<%= singular_table_name %>, {})
<%- else -%>
params.require(:<%= singular_table_name %>).permit(<%= attributes_names.map { |name| ":#{name}" }.join(', ') %>)
<%- end -%>