--- a/spec/util_error_spec.lua	Fri Nov 01 18:11:58 2019 +0100
+++ b/spec/util_error_spec.lua	Fri Nov 01 18:31:12 2019 +0100
@@ -16,11 +16,13 @@
 					["fail"] = {
 						type = "wait",
 						condition = "internal-server-error",
+						code = 555;
 					};
 				};
 				local err = errors.new("fail", { traceback = "in some file, somewhere" }, templates);
 				assert.equal("wait", err.type);
 				assert.equal("internal-server-error", err.condition);
+				assert.equal(555, err.code);
 				assert.same({ traceback = "in some file, somewhere" }, err.context);
 			end);
 		end);

--- a/util/error.lua	Fri Nov 01 18:11:58 2019 +0100
+++ b/util/error.lua	Fri Nov 01 18:31:12 2019 +0100
@@ -14,6 +14,7 @@
 		type = template.type or "cancel";
 		condition = template.condition or "undefined-condition";
 		text = template.text;
+		code = template.code or 500;
 
 		context = context or template.context or { _error_id = e };
 	}, error_mt);