diff --git a/include/WinStd/Common.h b/include/WinStd/Common.h
index 62161f3c..55a807a8 100644
--- a/include/WinStd/Common.h
+++ b/include/WinStd/Common.h
@@ -831,10 +831,10 @@ namespace winstd
         ///
         /// Deallocate object at _Ptr sanitizing its content first
         ///
-        inline void deallocate(_In_ pointer _Ptr, _In_ size_type _Count)
+        inline void deallocate(_In_ pointer _Ptr, _In_ size_type _Size)
         {
             // Sanitize then free.
-            SecureZeroMemory(_Ptr, sizeof(_Ty)*_Count);
+            SecureZeroMemory(_Ptr, _Size);
             ::operator delete(_Ptr);
         }