diff --git a/ChangeLog b/ChangeLog
index d5c9421..7cffacf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,6 +6,8 @@ Version 2.9.0 (beta), 2010-01-14
 Version 2.8.0 (v2-stable), 2010-01-14
 - Merged previous Beta branch into Stable branch and set 
   new version number 2.8
+- As of RFC5424, changed ProcessID Field into string valuetype, which has 
+  effect on how searches are done.
 ---------------------------------------------------------------------------
 Version 2.7.3 (beta), 2009-11-17
 - Merged bugfixes and changes from 2.6.5 stable into beta branch 
diff --git a/src/include/constants_logstream.php b/src/include/constants_logstream.php
index d3682b6..52f39be 100644
--- a/src/include/constants_logstream.php
+++ b/src/include/constants_logstream.php
@@ -170,7 +170,7 @@ $fields[SYSLOG_SYSLOGTAG]['SearchOnline'] = true;
 $fields[SYSLOG_PROCESSID]['FieldID'] = SYSLOG_PROCESSID;
 $fields[SYSLOG_PROCESSID]['FieldDefine'] = 'SYSLOG_PROCESSID';
 $fields[SYSLOG_PROCESSID]['FieldCaption'] = 'ProcessID';
-$fields[SYSLOG_PROCESSID]['FieldType'] = FILTER_TYPE_NUMBER;
+$fields[SYSLOG_PROCESSID]['FieldType'] = FILTER_TYPE_STRING;
 $fields[SYSLOG_PROCESSID]['Sortable'] = true;
 $fields[SYSLOG_PROCESSID]['DefaultWidth'] = "65";
 $fields[SYSLOG_PROCESSID]['FieldAlign'] = "center";
@@ -357,6 +357,7 @@ $dbmapping['monitorware']['DBMAPPINGS'][SYSLOG_EVENT_CATEGORY] = "EventCategory"
 $dbmapping['monitorware']['DBMAPPINGS'][SYSLOG_EVENT_USER] = "EventUser";
 $dbmapping['monitorware']['DBMAPPINGS'][MISC_SYSTEMID] = "SystemID";
 $dbmapping['monitorware']['DBMAPPINGS'][MISC_CHECKSUM] = "Checksum";
+//$dbmapping['monitorware']['DBMAPPINGS'][SYSLOG_PROCESSID] = "ProcessID";
 
 $dbmapping['syslogng']['ID'] = "syslogng";
 $dbmapping['syslogng']['DisplayName'] = "SyslogNG";