diff --git a/compat/mingw.c b/compat/mingw.c
index 8955237bf4..955bc73fd6 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -17,6 +17,7 @@
 #include "win32/exit-process.h"
 #include "win32/lazyload.h"
 #include "wrapper.h"
+#include "write-or-die.h"
 #include <aclapi.h>
 #include <conio.h>
 #include <sddl.h>
@@ -3724,6 +3725,7 @@ int wmain(int argc, const wchar_t **wargv)
 
 	maybe_redirect_std_handles();
 	adjust_symlink_flags();
+	fsync_object_files = 1;
 
 	/* determine size of argv and environ conversion buffer */
 	maxlen = wcslen(wargv[0]);