diff --git a/tools/ndncert-client.cpp b/tools/ndncert-client.cpp
index 50af81e..d77d65e 100644
--- a/tools/ndncert-client.cpp
+++ b/tools/ndncert-client.cpp
@@ -481,8 +481,8 @@
   return 0;
 }
 
-}  // namespace ndncert
-}  // namespace ndn
+} // namespace ndncert
+} // namespace ndn
 
 int
 main(int argc, char* argv[])