diff --git a/libavcodec/aacenctab.h b/libavcodec/aacenctab.h
index c852a29f53..64932d709f 100644
--- a/libavcodec/aacenctab.h
+++ b/libavcodec/aacenctab.h
@@ -49,8 +49,8 @@ static const int64_t aac_normal_chan_layouts[7] = {
     AV_CH_LAYOUT_STEREO,
     AV_CH_LAYOUT_SURROUND,
     AV_CH_LAYOUT_4POINT0,
-    AV_CH_LAYOUT_5POINT0,
-    AV_CH_LAYOUT_5POINT1,
+    AV_CH_LAYOUT_5POINT0_BACK,
+    AV_CH_LAYOUT_5POINT1_BACK,
     AV_CH_LAYOUT_7POINT1,
 };