diff --git a/subprojects/gst-plugins-bad/ext/webrtcdsp/gstwebrtcdsp.cpp b/subprojects/gst-plugins-bad/ext/webrtcdsp/gstwebrtcdsp.cpp
index c9a7cdae2f..87e5cbc4a2 100644
--- a/subprojects/gst-plugins-bad/ext/webrtcdsp/gstwebrtcdsp.cpp
+++ b/subprojects/gst-plugins-bad/ext/webrtcdsp/gstwebrtcdsp.cpp
@@ -404,7 +404,7 @@ gst_webrtc_dsp_analyze_reverse_stream (GstWebrtcDsp * self,
     goto done;
   }
 
-  gst_audio_buffer_map (&abuf, &self->info, buf, GST_MAP_READWRITE);
+  gst_audio_buffer_map (&abuf, &probe->info, buf, GST_MAP_READWRITE);
 
   if (probe->interleaved) {
     int16_t * const data = (int16_t * const) abuf.planes[0];