diff --git a/install.php b/install.php
index 12363d6..0b47ece 100644
--- a/install.php
+++ b/install.php
@@ -41,9 +41,9 @@
     ->ensureColumn(new rex_sql_column('author', 'varchar(255)'))
     ->ensureColumn(new rex_sql_column('username', 'varchar(255)'))
     ->ensureColumn(new rex_sql_column('language', 'varchar(255)'))
-    ->ensureColumn(new rex_sql_column('media', 'blob'))
+    ->ensureColumn(new rex_sql_column('media', 'longblob'))
     ->ensureColumn(new rex_sql_column('mediasource', 'text'))
-    ->ensureColumn(new rex_sql_column('raw', 'blob'))
+    ->ensureColumn(new rex_sql_column('raw', 'longblob'))
     ->ensureColumn(new rex_sql_column('status', 'tinyint(1)', false, '1'))
     ->ensureColumn(new rex_sql_column('changed_by_user', 'tinyint(1)'))
     ->ensureColumn(new rex_sql_column('createuser', 'varchar(255)'))