diff --git a/app/lib/actions/locationActions.ts b/app/lib/actions/locationActions.ts
index de608e8..d1ef4c4 100644
--- a/app/lib/actions/locationActions.ts
+++ b/app/lib/actions/locationActions.ts
@@ -110,7 +110,7 @@ export const fetchAllLocations = withUser(async (user:AuthenticatedUser, year:nu
 
     // fetch all locations for the given year
     const locations = await dbClient.collection<BillingLocation>("lokacije")
-        .aggregate([
+        .aggregate<BillingLocation>([
             {
                 $match: {
                     userId,
diff --git a/app/lib/db-types.ts b/app/lib/db-types.ts
index 358dc4f..d9d6cc8 100644
--- a/app/lib/db-types.ts
+++ b/app/lib/db-types.ts
@@ -46,7 +46,7 @@ export interface Bill {
      * true if there an attachment
      * @description this field enables us to send this info to the client without sending large attachment - it's an optimization
     */
-    hasAttachment: boolean;
+    hasAttachment?: boolean;
     /** (optional) notes */
     notes?: string|null;
     /** (optional) image data containing PDF471 bar code */