diff --git a/video/out/hwdec/hwdec_drmprime.c b/video/out/hwdec/hwdec_drmprime.c
index fd21de24fe..e78857ce21 100644
--- a/video/out/hwdec/hwdec_drmprime.c
+++ b/video/out/hwdec/hwdec_drmprime.c
@@ -47,6 +47,7 @@ static void uninit(struct ra_hwdec *hw)
     struct priv_owner *p = hw->priv;
     if (p->hwctx.driver_name)
         hwdec_devices_remove(hw->devs, &p->hwctx);
+    av_buffer_unref(&p->hwctx.av_device_ref);
 }
 
 const static dmabuf_interop_init interop_inits[] = {