diff --git a/src/xz/sandbox.c b/src/xz/sandbox.c
index 9e30a07a..3b3069c8 100644
--- a/src/xz/sandbox.c
+++ b/src/xz/sandbox.c
@@ -330,11 +330,11 @@ sandbox_enable_strict_if_allowed(
 			CAP_WRITE)))
 		goto error;
 
-	if (cap_rights_limit(user_abort_pipe[0], cap_rights_init(&rights,
+	if (cap_rights_limit(pipe_event_fd, cap_rights_init(&rights,
 			CAP_EVENT)))
 		goto error;
 
-	if (cap_rights_limit(user_abort_pipe[1], cap_rights_init(&rights,
+	if (cap_rights_limit(pipe_write_fd, cap_rights_init(&rights,
 			CAP_WRITE)))
 		goto error;