Index: cyrus-imapd-2.2-2.2.13p1/imap/mboxlist.c
===================================================================
--- cyrus-imapd-2.2-2.2.13p1.orig/imap/mboxlist.c	2011-08-08 02:34:25.330006463 +0200
+++ cyrus-imapd-2.2-2.2.13p1/imap/mboxlist.c	2011-08-08 02:34:43.282002740 +0200
@@ -183,7 +183,7 @@
 
 	if (*p == ' ') p++;
 	q = partition;
-	while (*p != ' ') {	/* copy out partition name */
+	while (*p != ' ' && *p != '\t') {	/* copy out partition name */
 	    *q++ = *p++;
 	}
 	*q = '\0';