diff --git a/server-tools/instance-manager/instance.cc b/server-tools/instance-manager/instance.cc
index 2c94689c664..31e060e27fe 100644
--- a/server-tools/instance-manager/instance.cc
+++ b/server-tools/instance-manager/instance.cc
@@ -17,7 +17,7 @@
 #pragma implementation
 #endif
 
-
+#include <my_global.h>
 #include <mysql.h>
 
 #include <signal.h>