diff --git a/src/partition/repart.c b/src/partition/repart.c
index 118a369206..7db493cafc 100644
--- a/src/partition/repart.c
+++ b/src/partition/repart.c
@@ -7909,7 +7909,7 @@ static int find_root(Context *context) {
                         if (!s)
                                 return log_oom();
 
-                        fd = open(arg_node, O_RDONLY|O_CREAT|O_EXCL|O_CLOEXEC|O_NOFOLLOW, 0666);
+                        fd = xopenat_full(AT_FDCWD, arg_node, O_RDONLY|O_CREAT|O_EXCL|O_CLOEXEC|O_NOFOLLOW, XO_NOCOW, 0666);
                         if (fd < 0)
                                 return log_error_errno(errno, "Failed to create '%s': %m", arg_node);