diff --git a/README.md b/README.md
index b81f886..ecabe4d 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,8 @@ GET /m3u
 - `wanted_groups` (optional): A comma-separated list of group names to include (takes precedence over unwanted_groups)
 - `nostreamproxy` (optional): Set to 'true' to disable stream proxying
 - `proxy_url` (optional): Custom base URL for proxied content (overrides auto-detection)
-- `include_channel_id` (optional): Set to 'true' to include `channel-id` in M3U, useful for [Channels](https://getchannels.com)
+- `include_channel_id` (optional): Set to 'true' to include `epg_channel_id` in M3U, useful for [Channels](https://getchannels.com)
+- `channel_id_tag` (optional): Name of the tag to use for `epg_channel_id` data in M3U, defaults to `channel-id`
 
 Note: For `unwanted_groups` and `wanted_groups`, you can use wildcard patterns with `*` and `?` characters. For example:
 - `US*` will match all groups starting with "US"
diff --git a/run.py b/run.py
index 5d6d39a..bbe5a27 100644
--- a/run.py
+++ b/run.py
@@ -618,6 +618,7 @@ def generate_m3u():
         no_stream_proxy = str(data.get("nostreamproxy", "")).lower() == "true"
         include_vod = str(data.get("include_vod", "false")).lower() == "true"
         include_channel_id = str(data.get("include_channel_id", "false")).lower() == "true"
+        channel_id_tag = str(data.get("channel_id_tag", "channel-id"))
         logger.info("🔄 Processing POST request for M3U generation")
     else:
         unwanted_groups = parse_group_list(request.args.get("unwanted_groups", ""))
@@ -625,6 +626,7 @@ def generate_m3u():
         no_stream_proxy = request.args.get("nostreamproxy", "").lower() == "true"
         include_vod = request.args.get("include_vod", "false").lower() == "true"
         include_channel_id = request.args.get("include_channel_id", "false") == "true"
+        channel_id_tag = request.args.get("channel_id_tag", "channel-id")
         logger.info("🔄 Processing GET request for M3U generation")
 
     # For M3U generation, warn about VOD performance impact
@@ -741,7 +743,7 @@ def generate_m3u():
             if include_channel_id:
                 channel_id = stream.get("epg_channel_id")
                 if channel_id:
-                    tags.append(f'channel-id="{channel_id}"')
+                    tags.append(f'{channel_id_tag}="{channel_id}"')
 
             # Create the stream URL based on content type
             if content_type == "live":