diff --git a/Misc/NEWS b/Misc/NEWS
index bfaffae..02f898b 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -263,6 +263,9 @@
 Build
 -----
 
+- Issue #20221: Removed conflicting (or circular) hypot definition when
+  compiled with VS 2010 or above.  Initial patch by Tabrez Mohammed.
+
 - Issue #16537: Check whether self.extensions is empty in setup.py. Patch by
   Jonathan Hosmer.
 
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index a45d5eb..a49ce69 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -217,7 +217,11 @@
 #define Py_IS_INFINITY(X) (!_finite(X) && !_isnan(X))
 #define Py_IS_FINITE(X) _finite(X)
 #define copysign _copysign
+
+/* VS 2010 and above already defines hypot as _hypot */
+#if _MSC_VER < 1600
 #define hypot _hypot
+#endif
 
 #endif /* _MSC_VER */