diff --git a/PortabilityLayer/PLHandle.h b/PortabilityLayer/PLHandle.h
index 6485b2b..8ad1563 100644
--- a/PortabilityLayer/PLHandle.h
+++ b/PortabilityLayer/PLHandle.h
@@ -24,6 +24,7 @@ class THandle final : public THandleBase
 {
 public:
 	THandle();
+	THandle(std::nullptr_t);
 	THandle(T **hdl);
 	explicit THandle(PortabilityLayer::MMHandleBlock *hdl);
 	THandle(const THandle<T> &other);
@@ -74,6 +75,12 @@ inline THandle<T>::THandle()
 {
 }
 
+template<class T>
+inline THandle<T>::THandle(std::nullptr_t)
+	: THandleBase(nullptr)
+{
+}
+
 template<class T>
 inline THandle<T>::THandle(T **hdl)
 	: THandleBase(reinterpret_cast<PortabilityLayer::MMHandleBlock*>(hdl))