diff --git a/src/common/ThreadStart.h b/src/common/ThreadStart.h
index 40412735e4f..3f5970bbcc3 100644
--- a/src/common/ThreadStart.h
+++ b/src/common/ThreadStart.h
@@ -74,7 +74,15 @@ class Thread
 public:
 #ifdef WIN_NT
 	typedef HANDLE Handle;
-	constexpr static Handle INVALID_HANDLE = INVALID_HANDLE_VALUE;
+	   /*
+		* "constexpr" not applicable for Handle INVALID_HANDLE = INVALID_HANDLE_VALUE 
+		*  because in Windows INVALID_HANDLE_VALUE define in handleapi.h as:
+		* "#define INVALID_HANDLE_VALUE ((HANDLE)(LONG_PTR)-1)"
+		*  but C-cast & reinterpret_cast<>() are prohibited in constexpr.
+		*  The Clang++ compiler does not consider it`s as a constant expression and raise compilation error: 
+		* "constexpr variable 'INVALID_HANDLE' must be initialized by a constant expression" 
+		*/ 
+        inline static const Handle INVALID_HANDLE = INVALID_HANDLE_VALUE;
 #endif
 #ifdef USE_POSIX_THREADS
 	typedef pthread_t Handle;