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-rw-r--r--backend/noop/output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/backend/noop/output.c b/backend/noop/output.c
index a2595eff..14ba5ed0 100644
--- a/backend/noop/output.c
+++ b/backend/noop/output.c
@@ -61,8 +61,8 @@ struct wlr_output *wlr_noop_add_output(struct wlr_backend *wlr_backend) {
strncpy(wlr_output->make, "noop", sizeof(wlr_output->make));
strncpy(wlr_output->model, "noop", sizeof(wlr_output->model));
- snprintf(wlr_output->name, sizeof(wlr_output->name), "NOOP-%d",
- wl_list_length(&backend->outputs) + 1);
+ snprintf(wlr_output->name, sizeof(wlr_output->name), "NOOP-%ld",
+ ++backend->last_output_num);
wl_list_insert(&backend->outputs, &output->link);