diff --git a/libavcodec/aacenctab.h b/libavcodec/aacenctab.h
index c852a29f5348a205089eff99ac3929f42d229c16..64932d709f848e9a7d82cbdc08b8e3f4b9d38033 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,
 };