diff --git a/boost/boost.vc2012.patch b/boost/boost.vc2012.patch
index 146ac0942b4d..ac206997dbbb 100644
--- a/boost/boost.vc2012.patch
+++ b/boost/boost.vc2012.patch
@@ -12,3 +12,14 @@
  
  #if (_MSC_VER <= 1600)
  // MSVC (including the latest checked version) has not yet completely 
+@@ -269,8 +269,8 @@
+ #error "Compiler not supported or configured - please reconfigure"
+ #endif
+ //
+-// last known and checked version is 1600 (VC10, aka 2010):
+-#if (_MSC_VER > 1600)
++// last known and checked version is 1700 (VC12, aka 2012):
++#if (_MSC_VER > 1700)
+ #  if defined(BOOST_ASSERT_CONFIG)
+ #     error "Unknown compiler version - please run the configure tests and report the results"
+ #  else