Index: libs/context/src/stack_utils_windows.cpp
===================================================================
--- libs/context/src/stack_utils_windows.cpp	(revision 80334)
+++ libs/context/src/stack_utils_windows.cpp	(working copy)
@@ -55,7 +55,7 @@
 BOOST_CONTEXT_DECL
 std::size_t maximum_stacksize()
 {
-    BOOST_ASSERT( ! is_stack_unbound() );
+    BOOST_ASSERT( is_stack_unbound() );
     static std::size_t stacksize = 8 * 1024 * 1024;
     return stacksize;
 }