diff --git a/src/base/stats/mysql.cc b/src/base/stats/mysql.cc
index d257de7434..af13582b41 100644
--- a/src/base/stats/mysql.cc
+++ b/src/base/stats/mysql.cc
@@ -45,6 +45,7 @@
 #include "base/str.hh"
 #include "base/types.hh"
 #include "base/userinfo.hh"
+#include "sim/core.hh"
 
 using namespace std;