diff --git a/src/ScopedLock.h b/src/ScopedLock.h
index e0e65ddfac..a82e18dcff 100644
--- a/src/ScopedLock.h
+++ b/src/ScopedLock.h
@@ -13,11 +13,11 @@
 class ScopedLock
 {
 protected:
-	mutable boost::shared_ptr<boost::interprocess::scoped_lock<boost::recursive_mutex> > mHolder;
+	mutable boost::shared_ptr<boost::recursive_mutex::scoped_lock> mHolder;
 
 public:
 	ScopedLock(boost::recursive_mutex& mutex) :
-		mHolder(boost::make_shared<boost::interprocess::scoped_lock<boost::recursive_mutex> >(boost::ref(mutex)))
+		mHolder(boost::make_shared<boost::recursive_mutex::scoped_lock>(boost::ref(mutex)))
 	{ ;	}
 	void lock() const
 	{