diff --git a/src/libthread/threadimpl.h b/src/libthread/threadimpl.h
index 6bc8cbf..164ba97 100644
--- a/src/libthread/threadimpl.h
+++ b/src/libthread/threadimpl.h
@@ -74,6 +74,7 @@
 	uint		osprocid;
 #endif
 	Lock		lock;
+	int			nswitch;
 	_Thread		*thread;
 	_Threadlist	runqueue;
 	_Threadlist	allthreads;