diff --git a/schema/aur-schema.sql b/schema/aur-schema.sql
index b3e4ecbb..89167b32 100644
--- a/schema/aur-schema.sql
+++ b/schema/aur-schema.sql
@@ -373,7 +373,7 @@ CREATE TABLE IF NOT EXISTS TU_Votes (
 -- Malicious user banning
 --
 CREATE TABLE Bans (
-	IPAddress VARCHAR(45) NULL DEFAULT NULL,
+	IPAddress VARCHAR(45) NOT NULL,
 	BanTS TIMESTAMP NOT NULL,
 	PRIMARY KEY (IPAddress)
 ) ENGINE = InnoDB;