diff --git a/tools/chunks/catchunks/ndncatchunks.cpp b/tools/chunks/catchunks/main.cpp
similarity index 99%
rename from tools/chunks/catchunks/ndncatchunks.cpp
rename to tools/chunks/catchunks/main.cpp
index 1405b23..737f2aa 100644
--- a/tools/chunks/catchunks/ndncatchunks.cpp
+++ b/tools/chunks/catchunks/main.cpp
@@ -46,7 +46,7 @@
 namespace chunks {
 
 static int
-main(int argc, char** argv)
+main(int argc, char* argv[])
 {
   std::string programName(argv[0]);
   Options options;
@@ -305,7 +305,7 @@
 } // namespace ndn
 
 int
-main(int argc, char** argv)
+main(int argc, char* argv[])
 {
   return ndn::chunks::main(argc, argv);
 }