diff --git a/src/sql/plugins/blog/plugin/create_db_blog.sql b/src/sql/plugins/blog/plugin/create_db_blog.sql
index 52022f01..3bdc99d7 100644
--- a/src/sql/plugins/blog/plugin/create_db_blog.sql
+++ b/src/sql/plugins/blog/plugin/create_db_blog.sql
@@ -26,7 +26,7 @@ user_editor varchar(255) default '' NOT NULL,
 user_creator varchar(255) default '' NOT NULL,
 attached_portlet_id int NOT NULL,
 edit_comment varchar(255) default '' NOT NULL,
-description long varchar,
+description long varchar default '' NOT NULL,
 shareable int default 0 NOT NULL,
 url varchar(255) default '',
 is_archived boolean default false,
@@ -90,7 +90,7 @@ user_editor varchar(255) default '' NOT NULL,
 user_creator varchar(255) default '' NOT NULL,
 attached_portlet_id int NOT NULL,
 edit_comment varchar(255) default '' NOT NULL,
-description long varchar,
+description long varchar default '' NOT NULL,
 shareable int default 0 NOT NULL,
 url varchar(255) default '',
 
diff --git a/src/sql/plugins/blog/upgrade/update_db_blog_3.0.4-3.0.5.sql b/src/sql/plugins/blog/upgrade/update_db_blog_3.0.4-3.0.5.sql
new file mode 100644
index 00000000..07fc685c
--- /dev/null
+++ b/src/sql/plugins/blog/upgrade/update_db_blog_3.0.4-3.0.5.sql
@@ -0,0 +1,9 @@
+-- liquibase formatted sql
+-- changeset blog:update_db_blog_3.0.4-3.0.5.sql
+-- preconditions onFail:MARK_RAN onError:WARN
+
+update blog_blog set description = '' where description is null;
+update blog_versions set description = '' where description is null;
+
+ALTER TABLE blog_blog CHANGE COLUMN description description long varchar NOT NULL DEFAULT '';
+ALTER TABLE blog_versions CHANGE COLUMN description description long varchar NOT NULL DEFAULT '';