diff --git a/utils/tracers/l2-rate-tracer.cpp b/utils/tracers/l2-rate-tracer.cpp
index a4c86b9..41ae00b 100644
--- a/utils/tracers/l2-rate-tracer.cpp
+++ b/utils/tracers/l2-rate-tracer.cpp
@@ -18,7 +18,7 @@
  * Author:  Alexander Afanasyev <alexander.afanasyev@ucla.edu>
  */
 
-#include "l2-rate-tracer.h"
+#include "l2-rate-tracer.hpp"
 #include "ns3/node.h"
 #include "ns3/packet.h"
 #include "ns3/config.h"