diff --git a/src/security/sec-tpm-osx.hpp b/src/security/sec-tpm-osx.hpp
index d6637ef..1a5bd1f 100644
--- a/src/security/sec-tpm-osx.hpp
+++ b/src/security/sec-tpm-osx.hpp
@@ -13,7 +13,8 @@
 
 namespace ndn {
 
-class SecTpmOsx : public SecTpm {
+class SecTpmOsx : public SecTpm
+{
 public:
   class Error : public SecTpm::Error
   {