diff --git a/src/discord_notifier/__main__.py b/src/discord_notifier/__main__.py
index 2263f88..d33136f 100644
--- a/src/discord_notifier/__main__.py
+++ b/src/discord_notifier/__main__.py
@@ -87,7 +87,7 @@ try:
                     loginfo = client.get(f"/api/repos/{repo_id}/logs/{pipeline_number}/{step['id']}").json()
                     logdata = b""
                     for logline in loginfo:
-                        logdata += b64decode(logline["data"]) + "\n"
+                        logdata += b64decode(logline["data"]) + b"\n"
                     logfile_webhook.add_file(logdata, f"{step['name']}.ansi")
 except KeyError:
     webhook.add_embed(DiscordEmbed(