diff --git a/src/matrix/storage/idb/Store.js b/src/matrix/storage/idb/Store.ts
similarity index 100%
rename from src/matrix/storage/idb/Store.js
rename to src/matrix/storage/idb/Store.ts
diff --git a/src/matrix/storage/idb/Transaction.js b/src/matrix/storage/idb/Transaction.js
index d1c91d69..4c543f4c 100644
--- a/src/matrix/storage/idb/Transaction.js
+++ b/src/matrix/storage/idb/Transaction.js
@@ -16,7 +16,7 @@ limitations under the License.
 
 import {txnAsPromise} from "./utils";
 import {StorageError} from "../common";
-import {Store} from "./Store.js";
+import {Store} from "./Store";
 import {SessionStore} from "./stores/SessionStore.js";
 import {RoomSummaryStore} from "./stores/RoomSummaryStore.js";
 import {InviteStore} from "./stores/InviteStore.js";