diff --git a/contrib/win32/openssh/config.h.vs b/contrib/win32/openssh/config.h.vs
index 976d7f107..52606932e 100644
--- a/contrib/win32/openssh/config.h.vs
+++ b/contrib/win32/openssh/config.h.vs
@@ -1734,3 +1734,5 @@
 #define _PATH_TTY "conin$"
 #define HAVE_STRUCT_POLLFD_FD 1
 #define HAVE_KILLPG 1
+#define HAVE_FIDO_DEV_IS_WINHELLO
+