diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index b9ab5c6490..74d1d51e7c 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -303,7 +303,7 @@ static int config_output(AVFilterLink *outlink)
     outlink->w          = vpp->out_width;
     outlink->h          = vpp->out_height;
     outlink->frame_rate = vpp->framerate;
-    outlink->time_base  = av_inv_q(vpp->framerate);
+    outlink->time_base  = inlink->time_base;
 
     param.filter_frame  = NULL;
     param.num_ext_buf   = 0;