diff --git a/phpBB/db/mysql_schema.sql b/phpBB/db/mysql_schema.sql
index c125d5f9b8..f59e5200af 100644
--- a/phpBB/db/mysql_schema.sql
+++ b/phpBB/db/mysql_schema.sql
@@ -462,7 +462,7 @@ CREATE TABLE phpbb_users (
    user_aim varchar(255),
    user_yim varchar(255),
    user_msnm varchar(255),
-   user_posts int(11) DEFAULT '0',
+   user_posts int(11) DEFAULT '0' NOT NULL,
    user_actkey varchar(32),
    user_newpasswd varchar(32),
    user_notify tinyint(3),
diff --git a/phpBB/db/postgres_schema.sql b/phpBB/db/postgres_schema.sql
index 248acd6e7d..e9502a743a 100644
--- a/phpBB/db/postgres_schema.sql
+++ b/phpBB/db/postgres_schema.sql
@@ -451,7 +451,7 @@ CREATE TABLE phpbb_users (
    user_aim varchar(255),
    user_yim varchar(255),
    user_msnm varchar(255),
-   user_posts int4 DEFAULT '0',
+   user_posts int4 DEFAULT '0' NOT NULL,
    user_viewemail int2,
    user_attachsig int2,
    user_allowhtml int2,