diff --git a/roomserver/storage/postgres/published_table.go b/roomserver/storage/postgres/published_table.go
index 15985fcd6..56fa02f7b 100644
--- a/roomserver/storage/postgres/published_table.go
+++ b/roomserver/storage/postgres/published_table.go
@@ -49,12 +49,12 @@ type publishedStatements struct {
 	selectPublishedStmt    *sql.Stmt
 }
 
-func createPublishedTable(db *sql.DB) error {
+func CreatePublishedTable(db *sql.DB) error {
 	_, err := db.Exec(publishedSchema)
 	return err
 }
 
-func preparePublishedTable(db *sql.DB) (tables.Published, error) {
+func PreparePublishedTable(db *sql.DB) (tables.Published, error) {
 	s := &publishedStatements{}
 
 	return s, sqlutil.StatementList{
@@ -94,8 +94,8 @@ func (s *publishedStatements) SelectAllPublishedRooms(
 	defer internal.CloseAndLogIfError(ctx, rows, "selectAllPublishedStmt: rows.close() failed")
 
 	var roomIDs []string
+	var roomID string
 	for rows.Next() {
-		var roomID string
 		if err = rows.Scan(&roomID); err != nil {
 			return nil, err
 		}
diff --git a/roomserver/storage/postgres/storage.go b/roomserver/storage/postgres/storage.go
index 0aa3f6c19..76ee6b489 100644
--- a/roomserver/storage/postgres/storage.go
+++ b/roomserver/storage/postgres/storage.go
@@ -101,7 +101,7 @@ func (d *Database) create(db *sql.DB) error {
 	if err := CreateMembershipTable(db); err != nil {
 		return err
 	}
-	if err := createPublishedTable(db); err != nil {
+	if err := CreatePublishedTable(db); err != nil {
 		return err
 	}
 	if err := createRedactionsTable(db); err != nil {
@@ -156,7 +156,7 @@ func (d *Database) prepare(db *sql.DB, writer sqlutil.Writer, cache caching.Room
 	if err != nil {
 		return err
 	}
-	published, err := preparePublishedTable(db)
+	published, err := PreparePublishedTable(db)
 	if err != nil {
 		return err
 	}
diff --git a/roomserver/storage/sqlite3/published_table.go b/roomserver/storage/sqlite3/published_table.go
index 9e416ace3..50dfa5492 100644
--- a/roomserver/storage/sqlite3/published_table.go
+++ b/roomserver/storage/sqlite3/published_table.go
@@ -49,12 +49,12 @@ type publishedStatements struct {
 	selectPublishedStmt    *sql.Stmt
 }
 
-func createPublishedTable(db *sql.DB) error {
+func CreatePublishedTable(db *sql.DB) error {
 	_, err := db.Exec(publishedSchema)
 	return err
 }
 
-func preparePublishedTable(db *sql.DB) (tables.Published, error) {
+func PreparePublishedTable(db *sql.DB) (tables.Published, error) {
 	s := &publishedStatements{
 		db: db,
 	}
@@ -96,8 +96,8 @@ func (s *publishedStatements) SelectAllPublishedRooms(
 	defer internal.CloseAndLogIfError(ctx, rows, "selectAllPublishedStmt: rows.close() failed")
 
 	var roomIDs []string
+	var roomID string
 	for rows.Next() {
-		var roomID string
 		if err = rows.Scan(&roomID); err != nil {
 			return nil, err
 		}
diff --git a/roomserver/storage/sqlite3/storage.go b/roomserver/storage/sqlite3/storage.go
index 2928589f2..e041921b6 100644
--- a/roomserver/storage/sqlite3/storage.go
+++ b/roomserver/storage/sqlite3/storage.go
@@ -110,7 +110,7 @@ func (d *Database) create(db *sql.DB) error {
 	if err := CreateMembershipTable(db); err != nil {
 		return err
 	}
-	if err := createPublishedTable(db); err != nil {
+	if err := CreatePublishedTable(db); err != nil {
 		return err
 	}
 	if err := createRedactionsTable(db); err != nil {
@@ -165,7 +165,7 @@ func (d *Database) prepare(db *sql.DB, writer sqlutil.Writer, cache caching.Room
 	if err != nil {
 		return err
 	}
-	published, err := preparePublishedTable(db)
+	published, err := PreparePublishedTable(db)
 	if err != nil {
 		return err
 	}
diff --git a/roomserver/storage/tables/published_table_test.go b/roomserver/storage/tables/published_table_test.go
new file mode 100644
index 000000000..7d53242dc
--- /dev/null
+++ b/roomserver/storage/tables/published_table_test.go
@@ -0,0 +1,68 @@
+package tables_test
+
+import (
+	"context"
+	"sort"
+	"testing"
+
+	"github.com/matrix-org/dendrite/internal/sqlutil"
+	"github.com/matrix-org/dendrite/roomserver/storage/postgres"
+	"github.com/matrix-org/dendrite/roomserver/storage/sqlite3"
+	"github.com/matrix-org/dendrite/roomserver/storage/tables"
+	"github.com/matrix-org/dendrite/setup/config"
+	"github.com/matrix-org/dendrite/test"
+	"github.com/stretchr/testify/assert"
+)
+
+func mustCreatePublishedTable(t *testing.T, dbType test.DBType) (tab tables.Published, close func()) {
+	t.Helper()
+	connStr, close := test.PrepareDBConnectionString(t, dbType)
+	db, err := sqlutil.Open(&config.DatabaseOptions{
+		ConnectionString: config.DataSource(connStr),
+	}, sqlutil.NewExclusiveWriter())
+	assert.NoError(t, err)
+	switch dbType {
+	case test.DBTypePostgres:
+		err = postgres.CreatePublishedTable(db)
+		assert.NoError(t, err)
+		tab, err = postgres.PreparePublishedTable(db)
+	case test.DBTypeSQLite:
+		err = sqlite3.CreatePublishedTable(db)
+		assert.NoError(t, err)
+		tab, err = sqlite3.PreparePublishedTable(db)
+	}
+	assert.NoError(t, err)
+
+	return tab, close
+}
+
+func TestPublishedTable(t *testing.T) {
+	ctx := context.Background()
+	alice := test.NewUser()
+
+	test.WithAllDatabases(t, func(t *testing.T, dbType test.DBType) {
+		tab, close := mustCreatePublishedTable(t, dbType)
+		defer close()
+
+		// Publish some rooms
+		publishedRooms := []string{}
+		for i := 0; i < 10; i++ {
+			room := test.NewRoom(t, alice)
+			published := i%2 == 0
+			err := tab.UpsertRoomPublished(ctx, nil, room.ID, published)
+			assert.NoError(t, err)
+			if published {
+				publishedRooms = append(publishedRooms, room.ID)
+			}
+			publishedRes, err := tab.SelectPublishedFromRoomID(ctx, nil, room.ID)
+			assert.NoError(t, err)
+			assert.Equal(t, published, publishedRes)
+		}
+		sort.Strings(publishedRooms)
+
+		// check that we get the expected published rooms
+		roomIDs, err := tab.SelectAllPublishedRooms(ctx, nil, true)
+		assert.NoError(t, err)
+		assert.Equal(t, publishedRooms, roomIDs)
+	})
+}