diff --git a/src/util/regex/regex-component-set-matcher.hpp b/src/util/regex/regex-component-set-matcher.hpp
index 5aed58f..b8c9845 100644
--- a/src/util/regex/regex-component-set-matcher.hpp
+++ b/src/util/regex/regex-component-set-matcher.hpp
@@ -15,7 +15,8 @@
 
 namespace ndn {
 
-class RegexComponentSetMatcher : public RegexMatcher {
+class RegexComponentSetMatcher : public RegexMatcher
+{
 
 public:
   /**