diff --git a/src/mpt/check/libcxx.hpp b/src/mpt/check/libcxx.hpp
index 358872d6d3c..8204e073e08 100644
--- a/src/mpt/check/libcxx.hpp
+++ b/src/mpt/check/libcxx.hpp
@@ -8,8 +8,8 @@
 #include "mpt/base/detect_quirks.hpp"
 
 #ifndef MPT_CHECK_LIBCXX_IGNORE_WARNING_NO_THREADS
-#if MPT_OS_WINDOWS && MPT_WIN_BEFORE(MPT_WIN_VISTA) && MPT_LIBCXX_GNU_AT_LEAST(13) && !defined(_GLIBCXX_HAS_GTHREADS)
-#error "GNU libstdc++ is compiled without gthreads support (likely due to using Win32 threading model as opposed to POSIX threading model. This a severely crippled C++11 implementation and no is no longer supported for targetting Windows before Vista as of release 13 because non-threading standard library headers fail to compile."
+#if MPT_OS_WINDOWS && MPT_WIN_BEFORE(MPT_WIN_7) && MPT_LIBCXX_GNU_AT_LEAST(13) && !defined(_GLIBCXX_HAS_GTHREADS)
+#error "GNU libstdc++ is compiled without gthreads support (likely due to using Win32 threading model as opposed to POSIX or mcfgthread threading model. This a severely crippled C++11 implementation and no is no longer supported ofr libstdc++ version 13 or later."
 #endif
 #endif