diff --git a/Release/src/pplx/pplx.cpp b/Release/src/pplx/pplx.cpp
index 618c02b908..cdb28b3693 100644
--- a/Release/src/pplx/pplx.cpp
+++ b/Release/src/pplx/pplx.cpp
@@ -27,7 +27,7 @@ namespace details
 class _Spin_lock
 {
 public:
-    _Spin_lock() : _M_lock(0) {}
+    _Spin_lock() : _M_lock() {}
 
     void lock()
     {