diff --git a/src/support/pagelocker.h b/src/support/pagelocker.h
index cf42e3dfd..7385bc444 100644
--- a/src/support/pagelocker.h
+++ b/src/support/pagelocker.h
@@ -10,6 +10,7 @@
 
 #include <map>
 
+#undef __cpuid
 #include <boost/thread/mutex.hpp>
 #include <boost/thread/once.hpp>