diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
index 1c6d1ca4799e..5a87f3a1b947 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/pm/nv40.c
@@ -108,7 +108,7 @@ nv40_pm_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
 	if (ret)
 		return ret;
 
-	ret = nvkm_perfdom_new(&priv->base, "pm", 0, 0, 0, 4, mclass->doms);
+	ret = nvkm_perfdom_new(&priv->base, "pc", 0, 0, 0, 4, mclass->doms);
 	if (ret)
 		return ret;