diff --git a/userapi/api/api.go b/userapi/api/api.go
index a7539d098..6c3f3c69c 100644
--- a/userapi/api/api.go
+++ b/userapi/api/api.go
@@ -228,6 +228,7 @@ type Device struct {
 	DisplayName string
 	LastSeenTS  int64
 	LastSeenIP  string
+	UserAgent   string
 }
 
 // Account represents a Matrix account on this home server.
diff --git a/userapi/storage/devices/postgres/devices_table.go b/userapi/storage/devices/postgres/devices_table.go
index 5954cace1..2a4d337c7 100644
--- a/userapi/storage/devices/postgres/devices_table.go
+++ b/userapi/storage/devices/postgres/devices_table.go
@@ -170,6 +170,7 @@ func (s *devicesStatements) insertDevice(
 		SessionID:   sessionID,
 		LastSeenTS:  createdTimeMS,
 		LastSeenIP:  ipAddr,
+		UserAgent:   userAgent,
 	}, nil
 }
 
diff --git a/userapi/storage/devices/sqlite3/devices_table.go b/userapi/storage/devices/sqlite3/devices_table.go
index 62ff343cb..6b0de10ee 100644
--- a/userapi/storage/devices/sqlite3/devices_table.go
+++ b/userapi/storage/devices/sqlite3/devices_table.go
@@ -164,6 +164,7 @@ func (s *devicesStatements) insertDevice(
 		SessionID:   sessionID,
 		LastSeenTS:  createdTimeMS,
 		LastSeenIP:  ipAddr,
+		UserAgent:   userAgent,
 	}, nil
 }