diff --git a/libavfilter/af_aresample.c b/libavfilter/af_aresample.c
index 8ead3147a9..90e87813df 100644
--- a/libavfilter/af_aresample.c
+++ b/libavfilter/af_aresample.c
@@ -176,6 +176,9 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamplesref
 
 
     avfilter_copy_buffer_ref_props(outsamplesref, insamplesref);
+    outsamplesref->format                = outlink->format;
+    outsamplesref->audio->channel_layout = outlink->channel_layout;
+    outsamplesref->audio->sample_rate    = outlink->sample_rate;
 
     if(insamplesref->pts != AV_NOPTS_VALUE) {
         int64_t inpts = av_rescale(insamplesref->pts, inlink->time_base.num * (int64_t)outlink->sample_rate * inlink->sample_rate, inlink->time_base.den);