diff --git a/backup/util/loggers/database_logger.class.php b/backup/util/loggers/database_logger.class.php
index dcfddec7e19..52774162b19 100644
--- a/backup/util/loggers/database_logger.class.php
+++ b/backup/util/loggers/database_logger.class.php
@@ -59,7 +59,7 @@ class database_logger extends base_logger {
         if ($this->levelcol) {
             $columns[$this->levelcol] = $level;
         }
-        $columns[$this->messagecol] = $message; //TODO: should this be cleaned?
+        $columns[$this->messagecol] = clean_param($message, PARAM_NOTAGS);
         return $this->insert_log_record($this->logtable, $columns);
     }
 
@@ -69,6 +69,6 @@ class database_logger extends base_logger {
         // to preserve DB logs if the whole backup/restore transaction is
         // rollback
         global $DB;
-        return $DB->insert_record($this->logtable, $columns, false); // Don't return inserted id
+        return $DB->insert_record($table, $columns, false); // Don't return inserted id
     }
 }
diff --git a/lib/db/install.xml b/lib/db/install.xml
index 60e3b363256..cb6b59793e6 100644
--- a/lib/db/install.xml
+++ b/lib/db/install.xml
@@ -2750,7 +2750,7 @@
         <FIELD NAME="id" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="true"/>
         <FIELD NAME="backupid" TYPE="char" LENGTH="32" NOTNULL="true" SEQUENCE="false" COMMENT="backupid the log record belongs to"/>
         <FIELD NAME="loglevel" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false" COMMENT="level of the log (debug...error)"/>
-        <FIELD NAME="message" TYPE="char" LENGTH="255" NOTNULL="true" SEQUENCE="false" COMMENT="text logged"/>
+        <FIELD NAME="message" TYPE="text" NOTNULL="true" SEQUENCE="false" COMMENT="text logged"/>
         <FIELD NAME="timecreated" TYPE="int" LENGTH="10" NOTNULL="true" SEQUENCE="false" COMMENT="timestamp this log entry was created"/>
       </FIELDS>
       <KEYS>
diff --git a/lib/db/upgrade.php b/lib/db/upgrade.php
index cdc076ba0a3..0fb7a9d6537 100644
--- a/lib/db/upgrade.php
+++ b/lib/db/upgrade.php
@@ -2327,5 +2327,17 @@ function xmldb_main_upgrade($oldversion) {
         upgrade_main_savepoint(true, 2013081200.00);
     }
 
+    if ($oldversion < 2013082300.01) {
+        // Define the table 'backup_logs' and the field 'message' which we will be changing from a char to a text field.
+        $table = new xmldb_table('backup_logs');
+        $field = new xmldb_field('message', XMLDB_TYPE_TEXT, null, null, XMLDB_NOTNULL, null, null, 'loglevel');
+
+        // Perform the change.
+        $dbman->change_field_type($table, $field);
+
+        // Main savepoint reached.
+        upgrade_main_savepoint(true, 2013082300.01);
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index a22cf0db92a..ed4953221e1 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$version  = 2013082300.00;              // YYYYMMDD      = weekly release date of this DEV branch.
+$version  = 2013082300.01;              // YYYYMMDD      = weekly release date of this DEV branch.
                                         //         RR    = release increments - 00 in DEV branches.
                                         //           .XX = incremental changes.