lib/ballast/concerns/errors_handling.rb in ballast-2.1.1 vs lib/ballast/concerns/errors_handling.rb in ballast-2.1.2

@@ -32,10 +32,10 @@
 
       # :nodoc:
       def send_or_render_error(layout, format = nil)
         format ||= request.format.to_sym
 
-        if ajax_request? || format.match(/^json/)
+        if ajax_request? || (format && format.match(/^json/))
           details = {description: @error[:title], backtrace: @error[:exception].safe_send(:backtrace)}
           prepare_ajax_response(status: @error[:status], data: details, error: @error[:error]).reply(format: format)
         else
           render(html: "", status: @error[:status], layout: layout, formats: [:html])
         end