diff --git a/src/matrix/storage/idb/stores/DeviceIdentityStore.js b/src/matrix/storage/idb/stores/DeviceIdentityStore.js
index d1bf7eaa..d3aba963 100644
--- a/src/matrix/storage/idb/stores/DeviceIdentityStore.js
+++ b/src/matrix/storage/idb/stores/DeviceIdentityStore.js
@@ -36,7 +36,7 @@ export class DeviceIdentityStore {
 
     set(deviceIdentity) {
         deviceIdentity.key = encodeKey(deviceIdentity.userId, deviceIdentity.deviceId);
-        return this._store.put(deviceIdentity);
+        this._store.put(deviceIdentity);
     }
 
     getByCurve25519Key(curve25519Key) {