When connection to read-only db fails try to connect to write-master, but only if it is defined

1 files changed, 1 insertions, 1 deletions

diff --git a/program/lib/Roundcube/rcube_db.php b/program/lib/Roundcube/rcube_db.php
index a3475a2fd..88cd22b0e 100644
--- a/program/lib/Roundcube/rcube_db.php
+++ b/program/lib/Roundcube/rcube_db.php
@@ -222,7 +222,7 @@ class rcube_db
         $this->db_connected = is_object($this->dbh);
 
         // use write-master when read-only fails
-        if (!$this->db_connected && $mode == 'r') {
+        if (!$this->db_connected && $mode == 'r' && $this->is_replicated()) {
             $mode = 'w';
             $this->dbh          = $this->dsn_connect($this->db_dsnw_array);
             $this->db_connected = is_object($this->dbh);