diff --git a/schema.sql b/schema.sql
index 91792caf0..c4ed4da1f 100644
--- a/schema.sql
+++ b/schema.sql
@@ -84,7 +84,7 @@ CREATE TABLE public.submissions (
     private boolean DEFAULT false NOT NULL,
     views integer DEFAULT 0 NOT NULL,
     is_bot boolean DEFAULT false NOT NULL,
-    bannedfor boolean,
+    bannedfor character varying(36),
     comment_count integer DEFAULT 0 NOT NULL,
     club boolean DEFAULT false NOT NULL,
     stickied character varying(40),
@@ -274,7 +274,7 @@ CREATE TABLE public.comments (
     is_bot boolean DEFAULT false NOT NULL,
     app_id integer,
     sentto integer,
-    bannedfor character varying(11),
+    bannedfor character varying(36),
     stickied character varying(40),
     body character varying(10000),
     body_html character varying(40000),
@@ -639,7 +639,7 @@ CREATE TABLE public.userblocks (
 
 CREATE TABLE public.users (
     id integer NOT NULL,
-    username character varying(255) NOT NULL,
+    username character varying(30) NOT NULL,
     email character varying(255),
     passhash character varying(255) NOT NULL,
     created_utc integer NOT NULL,
@@ -661,7 +661,7 @@ CREATE TABLE public.users (
     discord_id character varying(64),
     stored_subscriber_count integer DEFAULT 0 NOT NULL,
     ban_evade integer DEFAULT 0 NOT NULL,
-    original_username character varying(255),
+    original_username character varying(30),
     customtitle character varying(1000),
     defaultsorting character varying(15) DEFAULT 'hot'::character varying NOT NULL,
     defaulttime character varying(5) NOT NULL,