diff --git a/ext/fdkaac/gstfdkaacenc.c b/ext/fdkaac/gstfdkaacenc.c
index 4aa1dc8950..42670791ae 100644
--- a/ext/fdkaac/gstfdkaacenc.c
+++ b/ext/fdkaac/gstfdkaacenc.c
@@ -94,6 +94,17 @@ static const struct
           GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
           GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
           /* FIXME: SURROUND instead of REAR is more to spec */
+  GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
+          GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
+          GST_AUDIO_CHANNEL_POSITION_LFE1}}, {
+    /* MPEG 7: SDDS for cinema */
+    8, MODE_1_2_2_2_1, {
+      GST_AUDIO_CHANNEL_POSITION_FRONT_CENTER,
+          GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT_OF_CENTER,
+          GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT_OF_CENTER,
+          GST_AUDIO_CHANNEL_POSITION_FRONT_LEFT,
+          GST_AUDIO_CHANNEL_POSITION_FRONT_RIGHT,
+          /* FIXME: SURROUND instead of REAR is more to spec */
   GST_AUDIO_CHANNEL_POSITION_REAR_LEFT,
           GST_AUDIO_CHANNEL_POSITION_REAR_RIGHT,
           GST_AUDIO_CHANNEL_POSITION_LFE1}}