diff --git a/win32/hexchat.props b/win32/hexchat.props
index e35378cb..8469142c 100644
--- a/win32/hexchat.props
+++ b/win32/hexchat.props
@@ -65,6 +65,7 @@
true
true
true
+ NTDDI_VERSION=NTDDI_WIN8;_WIN32_WINNT=_WIN32_WINNT_WIN8;%(PreProcessorDefinitions)
true