diff --git a/zephyr_mirror.py b/zephyr_mirror.py
index d992029..dce262a 100644
--- a/zephyr_mirror.py
+++ b/zephyr_mirror.py
@@ -73,6 +73,8 @@ def send_humbug(zeph):
     zeph['shortname'] = zeph['sender'].split('@')[0]
     if "subject" in zeph:
         zeph["subject"] = zeph["subject"][:60]
+    if "stream" in zeph:
+        zeph["stream"] = zeph["stream"][:30]
 
     for key in zeph.keys():
         if isinstance(zeph[key], unicode):