diff --git a/Makefile b/Makefile
index 1475578..afcafad 100644
--- a/Makefile
+++ b/Makefile
@@ -217,7 +217,7 @@
 install-doc: $(DOCS)
 	$(INSTALL_DIR) "$(DESTDIR)$(docdir)"
 	$(INSTALL_DATA) qemu-doc.html  qemu-tech.html "$(DESTDIR)$(docdir)"
-ifndef CONFIG_WIN32
+ifdef CONFIG_POSIX
 	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man1"
 	$(INSTALL_DATA) qemu.1 qemu-img.1 "$(DESTDIR)$(mandir)/man1"
 	$(INSTALL_DIR) "$(DESTDIR)$(mandir)/man8"