diff --git a/src/name-assignments/assignment-funcs.hpp b/src/name-assignments/assignment-funcs.hpp
index 30408b5..42a34ed 100644
--- a/src/name-assignments/assignment-funcs.hpp
+++ b/src/name-assignments/assignment-funcs.hpp
@@ -26,7 +26,8 @@
 namespace ndn {
 namespace ndncert {
 
-class NameAssignmentFunc : noncopyable {
+class NameAssignmentFunc : noncopyable
+{
 public:
   explicit NameAssignmentFunc(const std::string& factoryType, const std::string& format = "");