diff -Naur cyrus-imapd-2.4.18.orig/doc/man/imapd.conf.5.html cyrus-imapd-2.4.18/doc/man/imapd.conf.5.html
--- cyrus-imapd-2.4.18.orig/doc/man/imapd.conf.5.html	2015-07-06 05:49:05.000000000 +0200
+++ cyrus-imapd-2.4.18/doc/man/imapd.conf.5.html	2015-08-10 10:13:34.000000000 +0200
@@ -1954,11 +1954,10 @@
 <i>skiplist</i>, <i>sql</i></p>
 
 <p style="margin-left:11%;"><b>statuscache_db_path:</b>
-&lt;none&gt;</p>
+{configdirectory}/volatile/statuscache.db;</p>
 
 <p style="margin-left:18%;">The absolute path to the
-statuscache db file. If not specified, will be
-confdir/statuscache.db</p>
+statuscache db file.</p>
 
 <p style="margin-left:11%;"><b>sync_authname:</b>
 &lt;none&gt;</p>
diff -Naur cyrus-imapd-2.4.18.orig/lib/imapoptions cyrus-imapd-2.4.18/lib/imapoptions
--- cyrus-imapd-2.4.18.orig/lib/imapoptions	2015-07-06 05:38:29.000000000 +0200
+++ cyrus-imapd-2.4.18/lib/imapoptions	2015-08-10 10:13:34.000000000 +0200
@@ -1233,9 +1233,8 @@
 { "statuscache_db", "skiplist", STRINGLIST("berkeley", "berkeley-nosync", "berkeley-hash", "berkeley-hash-nosync", "skiplist", "sql") }
 /* The cyrusdb backend to use for the imap status cache. */
 
-{ "statuscache_db_path", NULL, STRING }
-/* The absolute path to the statuscache db file.  If not specified,
-   will be confdir/statuscache.db */
+{ "statuscache_db_path", "{configdirectory}/volatile/statuscache.db", STRING }
+/* The absolute path to the statuscache db file. */
 
 { "sync_authname", NULL, STRING }
 /* The authentication name to use when authenticating to a sync server.
diff -Naur cyrus-imapd-2.4.18.orig/lib/imapopts.c cyrus-imapd-2.4.18/lib/imapopts.c
--- cyrus-imapd-2.4.18.orig/lib/imapopts.c	2015-07-06 05:49:04.000000000 +0200
+++ cyrus-imapd-2.4.18/lib/imapopts.c	2015-08-10 10:13:34.000000000 +0200
@@ -784,7 +784,7 @@
       { "sql" , IMAP_ENUM_ZERO },
       { NULL, IMAP_ENUM_ZERO } } },
   { IMAPOPT_STATUSCACHE_DB_PATH, "statuscache_db_path", 0, OPT_STRING,
-    {(void *)(NULL)},
+    {(void *)("{configdirectory}/volatile/statuscache.db")},
     { { NULL, IMAP_ENUM_ZERO } } },
   { IMAPOPT_SYNC_AUTHNAME, "sync_authname", 0, OPT_STRING,
     {(void *)(NULL)},
diff -Naur cyrus-imapd-2.4.18.orig/man/imapd.conf.5 cyrus-imapd-2.4.18/man/imapd.conf.5
--- cyrus-imapd-2.4.18.orig/man/imapd.conf.5	2015-07-06 05:49:04.000000000 +0200
+++ cyrus-imapd-2.4.18/man/imapd.conf.5	2015-08-10 10:17:27.000000000 +0200
@@ -1049,9 +1049,8 @@
 The cyrusdb backend to use for the imap status cache. 
 
 Allowed values: \fIberkeley\fR, \fIberkeley-nosync\fR, \fIberkeley-hash\fR, \fIberkeley-hash-nosync\fR, \fIskiplist\fR, \fIsql\fR
-.IP "\fBstatuscache_db_path:\fR <none>" 5
-The absolute path to the statuscache db file.  If not specified,
-will be confdir/statuscache.db 
+.IP "\fBstatuscache_db_path:\fR {configdirectory}/volatile/statuscache.db" 5
+The absolute path to the statuscache db file. 
 .IP "\fBsync_authname:\fR <none>" 5
 The authentication name to use when authenticating to a sync server.
 Prefix with a channel name to only apply for that channel