diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 9635704a1d8647b116bb1c42b65bf536f39f4905..41f9c53302abbfcb25e387d2cf0027583b65c928 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -182,6 +182,7 @@ static const struct file_operations nouveau_pstate_fops = {
 	.open = nouveau_debugfs_pstate_open,
 	.read = seq_read,
 	.write = nouveau_debugfs_pstate_set,
+	.release = single_release,
 };
 
 static struct drm_info_list nouveau_debugfs_list[] = {