diff --git a/redo/windows/GNUmakeinc.mk b/redo/windows/GNUmakeinc.mk
index 4573e681..a5a9b42d 100644
--- a/redo/windows/GNUmakeinc.mk
+++ b/redo/windows/GNUmakeinc.mk
@@ -48,6 +48,7 @@ osCFLAGS = \
 
 osLDFLAGS = \
 	-static-libgcc \
+	--major-os-version 6 \
 	-luser32 -lkernel32 -lgdi32 -lcomctl32 -luxtheme -lmsimg32 -lcomdlg32 -lole32 -loleaut32 -loleacc -luuid
 
 osLDWarnUndefinedFlags = -Wl,--no-undefined -Wl,--no-allow-shlib-undefined