diff --git a/src/matrix/storage/idb/stores/DeviceIdentityStore.js b/src/matrix/storage/idb/stores/DeviceIdentityStore.js
index 8bbab1b7..aec337fc 100644
--- a/src/matrix/storage/idb/stores/DeviceIdentityStore.js
+++ b/src/matrix/storage/idb/stores/DeviceIdentityStore.js
@@ -36,6 +36,6 @@ export class DeviceIdentityStore {
 
     set(deviceIdentity) {
         deviceIdentity.key = encodeKey(deviceIdentity.userId, deviceIdentity.deviceId);
-        return this._store.set(deviceIdentity);
+        return this._store.put(deviceIdentity);
     }
 }
diff --git a/src/matrix/storage/idb/stores/RoomMemberStore.js b/src/matrix/storage/idb/stores/RoomMemberStore.js
index 75649935..be2b16ec 100644
--- a/src/matrix/storage/idb/stores/RoomMemberStore.js
+++ b/src/matrix/storage/idb/stores/RoomMemberStore.js
@@ -50,7 +50,7 @@ export class RoomMemberStore {
         const userIds = [];
         const range = IDBKeyRange.lowerBound(encodeKey(roomId, ""));
         await this._roomMembersStore.iterateKeys(range, key => {
-            const decodedKey = decodedKey(key);
+            const decodedKey = decodeKey(key);
             // prevent running into the next room
             if (decodedKey.roomId === roomId) {
                 userIds.push(decodedKey.userId);
diff --git a/src/matrix/storage/idb/stores/UserIdentityStore.js b/src/matrix/storage/idb/stores/UserIdentityStore.js
index 2eadefec..1cf6d636 100644
--- a/src/matrix/storage/idb/stores/UserIdentityStore.js
+++ b/src/matrix/storage/idb/stores/UserIdentityStore.js
@@ -24,10 +24,10 @@ export class UserIdentityStore {
     }
 
     set(userIdentity) {
-        return this._store.set(userIdentity);
+        this._store.put(userIdentity);
     }
 
     remove(userId) {
-        return this._eventStore.delete(userId);
+        return this._store.delete(userId);
     }
 }