diff --git a/utils/ndn-limits-window.cpp b/utils/ndn-limits-window.cpp
index a859be5..a2630a4 100644
--- a/utils/ndn-limits-window.cpp
+++ b/utils/ndn-limits-window.cpp
@@ -18,7 +18,7 @@
  * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
  */
 
-#include "ndn-limits-window.h"
+#include "ndn-limits-window.hpp"
 
 #include "ns3/log.h"