diff --git a/compat/mingw.c b/compat/mingw.c
index 0e851ecae2..e326c6fcd2 100644
--- a/compat/mingw.c
+++ b/compat/mingw.c
@@ -502,7 +502,7 @@ static int mingw_open_append(wchar_t const *wfilename, int oflags, ...)
 	 * to append to the file.
 	 */
 	handle = CreateFileW(wfilename, FILE_APPEND_DATA,
-			FILE_SHARE_WRITE | FILE_SHARE_READ,
+			FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE,
 			NULL, create, FILE_ATTRIBUTE_NORMAL, NULL);
 	if (handle == INVALID_HANDLE_VALUE) {
 		DWORD err = GetLastError();
@@ -1006,7 +1006,7 @@ int mingw_utime (const char *file_name, const struct utimbuf *times)
 
 	osfilehandle = CreateFileW(wfilename,
 				   FILE_WRITE_ATTRIBUTES,
-				   0 /*FileShare.None*/,
+				   FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
 				   NULL,
 				   OPEN_EXISTING,
 				   (attrs != INVALID_FILE_ATTRIBUTES &&