diff --git a/bots/process_ccache b/bots/process_ccache
index 57e0ed3..62244e7 100755
--- a/bots/process_ccache
+++ b/bots/process_ccache
@@ -22,6 +22,14 @@ supervisor_path = "/etc/supervisor/conf.d/%s.conf" % (program_name,)
 template = "/home/humbug/humbug/bots/zmirror_private.conf.template"
 template_data = file(template).read()
 session_path = "/home/humbug/zephyr_sessions/%s" % (program_name,)
+
+# Preserve mail zephyrs forwarding setting across rewriting the config file
+
+try:
+    if "--forward-mail-zephyrs" in file(supervisor_path, "r").read():
+        template_data = template_data.replace("--use-sessions", "--use-sessions --forward-mail-zephyrs")
+except Exception:
+    pass
 file(supervisor_path, "w").write(template_data.replace("USERNAME", short_user))
 
 # Delete your session