diff --git a/src/logging/IDBLogger.ts b/src/logging/IDBLogger.ts
index dcfd3a64..c5fa2a52 100644
--- a/src/logging/IDBLogger.ts
+++ b/src/logging/IDBLogger.ts
@@ -41,7 +41,7 @@ export class IDBLogger extends BaseLogger {
     private _queuedItems: QueuedItem[];
 
     // todo: type constructor
-    constructor(options) {
+    constructor(options: {name: string, flushInterval?: number, limit?: number, platform: Platform}) {
         super(options);
         const {name, flushInterval = 60 * 1000, limit = 3000} = options;
         this._name = name;