diff --git a/typo3/sysext/core/ext_tables.sql b/typo3/sysext/core/ext_tables.sql
index a3de2778096e418cd3241b8dba921012a949c9b4..18c2682f16184189ee838c2824494dbc61fdbcc9 100644
--- a/typo3/sysext/core/ext_tables.sql
+++ b/typo3/sysext/core/ext_tables.sql
@@ -42,7 +42,7 @@ CREATE TABLE be_sessions (
 	ses_hashlock int(11) DEFAULT '0' NOT NULL,
 	ses_userid int(11) unsigned DEFAULT '0' NOT NULL,
 	ses_tstamp int(11) unsigned DEFAULT '0' NOT NULL,
-	ses_data longtext,
+	ses_data longblob,
 	ses_backuserid int(11) NOT NULL default '0',
 	PRIMARY KEY (ses_id,ses_name),
 	KEY ses_tstamp (ses_tstamp)