diff --git a/app/crawler/specificCrawlers/aktido.js b/app/crawler/specificCrawlers/aktido.js
index 6512f15..373a6ef 100644
--- a/app/crawler/specificCrawlers/aktido.js
+++ b/app/crawler/specificCrawlers/aktido.js
@@ -342,9 +342,9 @@ class AktidoCrawler {
   getKiviAdTypeFromAktidoActionId(actionId) {
     switch (actionId) {
       case 1:
-        return AD_TYPE.AD_TYPE_SALE;
+        return AD_TYPE.AD_TYPE_SALE.stringId;
       case 2:
-        return AD_TYPE.AD_TYPE_RENT;
+        return AD_TYPE.AD_TYPE_RENT.stringId;
       default:
         return undefined;
     }
diff --git a/app/crawler/specificCrawlers/olx.js b/app/crawler/specificCrawlers/olx.js
index bb08b95..2ccfeaa 100644
--- a/app/crawler/specificCrawlers/olx.js
+++ b/app/crawler/specificCrawlers/olx.js
@@ -475,11 +475,11 @@ class OlxCrawler {
   getAdTypeId(adTypeText) {
     switch (adTypeText) {
       case "Prodaja":
-        return AD_TYPE.AD_TYPE_SALE;
+        return AD_TYPE.AD_TYPE_SALE.stringId;
       case "Izdavanje":
-        return AD_TYPE.AD_TYPE_RENT;
+        return AD_TYPE.AD_TYPE_RENT.stringId;
       case "Potražnja":
-        return AD_TYPE.AD_TYPE_RENT;
+        return AD_TYPE.AD_TYPE_RENT.stringId;
       default:
         return undefined;
     }
diff --git a/app/crawler/specificCrawlers/prostor.js b/app/crawler/specificCrawlers/prostor.js
index bb3133c..7b970e0 100644
--- a/app/crawler/specificCrawlers/prostor.js
+++ b/app/crawler/specificCrawlers/prostor.js
@@ -228,9 +228,9 @@ class ProstorCrawler {
   static getAdTypeId(adTypeText) {
     switch (adTypeText) {
       case "prodaja":
-        return AD_TYPE.AD_TYPE_SALE;
+        return AD_TYPE.AD_TYPE_SALE.stringId;
       case "najam":
-        return AD_TYPE.AD_TYPE_RENT;
+        return AD_TYPE.AD_TYPE_RENT.stringId;
       default:
         return undefined;
     }
diff --git a/app/crawler/specificCrawlers/rental.js b/app/crawler/specificCrawlers/rental.js
index 6293d1f..65a7bc6 100644
--- a/app/crawler/specificCrawlers/rental.js
+++ b/app/crawler/specificCrawlers/rental.js
@@ -342,9 +342,9 @@ class RentalCrawler {
   getKiviAdTypeFromRentalActionId(actionId) {
     switch (actionId) {
       case 1:
-        return AD_TYPE.AD_TYPE_SALE;
+        return AD_TYPE.AD_TYPE_SALE.stringId;
       case 2:
-        return AD_TYPE.AD_TYPE_RENT;
+        return AD_TYPE.AD_TYPE_RENT.stringId;
       default:
         return undefined;
     }