diff --git a/core/plug-in/stats/StatsUDPServer.cpp b/core/plug-in/stats/StatsUDPServer.cpp
index b5c7909..2a946b4 100644
--- a/core/plug-in/stats/StatsUDPServer.cpp
+++ b/core/plug-in/stats/StatsUDPServer.cpp
@@ -37,6 +37,7 @@
 #include "AmApi.h"
 
 #include "sip/trans_table.h"
+#include "../../sems.h"
 
 #include <string>
 using std::string;