diff --git a/.offlineimaprc b/.offlineimaprc
index e82ee9c..7039ab2 100644
--- a/.offlineimaprc
+++ b/.offlineimaprc
@@ -94,6 +94,8 @@ remotehost     = ninthfloor.org
 remoteusereval = getuser("ninthfloor.org")
 remotepasseval = getpassword("ninthfloor.org")
 
+nametrans = lambda folder: folder.lower()
+
 [Repository ryuslash.org-remote]
 type           = IMAP
 remotehost     = imap.alwaysdata.com