diff --git a/synapse/storage/schema/delta/16/users.sql b/synapse/storage/schema/delta/16/users.sql
index f04705cd77..db27bdca02 100644
--- a/synapse/storage/schema/delta/16/users.sql
+++ b/synapse/storage/schema/delta/16/users.sql
@@ -36,7 +36,7 @@ ALTER TABLE new_users RENAME TO users;
-- Remove UNIQUE constraint from `user_ips` table
CREATE TABLE IF NOT EXISTS new_user_ips (
- user VARCHAR(150) NOT NULL,
+ user_id VARCHAR(150) NOT NULL,
access_token VARCHAR(150) NOT NULL,
device_id VARCHAR(150),
ip VARCHAR(150) NOT NULL,
@@ -51,6 +51,6 @@ DROP TABLE user_ips;
ALTER TABLE new_user_ips RENAME TO user_ips;
-CREATE INDEX IF NOT EXISTS user_ips_user ON user_ips(user);
-CREATE INDEX IF NOT EXISTS user_ips_user_ip ON user_ips(user, access_token, ip);
+CREATE INDEX IF NOT EXISTS user_ips_user ON user_ips(user_id);
+CREATE INDEX IF NOT EXISTS user_ips_user_ip ON user_ips(user_id, access_token, ip);
diff --git a/synapse/storage/schema/full_schemas/16/users.sql b/synapse/storage/schema/full_schemas/16/users.sql
index 267284d07d..006b249fc0 100644
--- a/synapse/storage/schema/full_schemas/16/users.sql
+++ b/synapse/storage/schema/full_schemas/16/users.sql
@@ -30,7 +30,7 @@ CREATE TABLE IF NOT EXISTS access_tokens(
);
CREATE TABLE IF NOT EXISTS user_ips (
- user VARCHAR(150) NOT NULL,
+ user_id VARCHAR(150) NOT NULL,
access_token VARCHAR(150) NOT NULL,
device_id VARCHAR(150),
ip VARCHAR(150) NOT NULL,
@@ -38,5 +38,5 @@ CREATE TABLE IF NOT EXISTS user_ips (
last_seen BIGINT NOT NULL
);
-CREATE INDEX IF NOT EXISTS user_ips_user ON user_ips(user);
-CREATE INDEX IF NOT EXISTS user_ips_user_ip ON user_ips(user, access_token, ip);
+CREATE INDEX user_ips_user ON user_ips(user_id);
+CREATE INDEX user_ips_user_ip ON user_ips(user_id, access_token, ip);
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