diff --git a/aac2eac.py b/aac2eac.py
index 0bdc2a4..fcf50dd 100644
--- a/aac2eac.py
+++ b/aac2eac.py
@@ -80,7 +80,7 @@ def convert(file: Path):
             # Only re-encode AAC 5.1 or 7.1
             if s["codec_name"] == "aac" and s.get("channels") in (6, 8):
                 codec_map[s["index"]] = "eac3"
-                target_bitrates[s["index"]] = "640k" if s["channels"] == 6 else "1024k"
+                target_bitrates[s["index"]] = "640k"
                 has_aac_multichannel = True
             else:
                 codec_map[s["index"]] = "copy"