diff --git a/nanobot/channels/slack.py b/nanobot/channels/slack.py
index ef78887..25af83b 100644
--- a/nanobot/channels/slack.py
+++ b/nanobot/channels/slack.py
@@ -233,7 +233,7 @@ class SlackChannel(BaseChannel):
             # Convert URL formatting
             # Step 6: [text](URL) -> <URL|text>
             converted_text = re.sub(
-                r"(^|[^!])\[(.+?)\]\((http.+?)\)", r"\1<\3|\2>", converted_text)
+                r"(?m)(^|[^!])\[(.+?)\]\((http.+?)\)", r"\1<\3|\2>", converted_text)
             # Convert image URL
             # Step 6: ![alt text](URL "title") -> <URL>
             converted_text = re.sub(