diff --git a/gst/mpegtsdemux/tsdemux.c b/gst/mpegtsdemux/tsdemux.c
index 7deb6382a8..f1045da22b 100644
--- a/gst/mpegtsdemux/tsdemux.c
+++ b/gst/mpegtsdemux/tsdemux.c
@@ -1357,6 +1357,8 @@ create_pad_for_stream (MpegTSBase * base, MpegTSBaseStream * bstream,
                     gst_codec_utils_opus_create_caps (48000, channels,
                     mapping_family, stream_count, coupled_count,
                     channel_mapping);
+
+                g_free (channel_mapping);
               }
             } else {
               GST_WARNING_OBJECT (demux,