diff --git a/modules/admaticBidAdapter.js b/modules/admaticBidAdapter.js
index 1b8b8752235..a5ebe91f98a 100644
--- a/modules/admaticBidAdapter.js
+++ b/modules/admaticBidAdapter.js
@@ -12,7 +12,7 @@ import {getUserSyncParams} from '../libraries/userSyncUtils/userSyncUtils.js';
  */
 
 export const OPENRTB = {
-  NATIVE: {
+  N: {
     IMAGE_TYPE: {
       ICON: 1,
       MAIN: 3,
@@ -74,7 +74,6 @@ export const spec = {
     const ortb = bidderRequest.ortb2;
     const networkId = getValue(validBidRequests[0].params, 'networkId');
     const host = getValue(validBidRequests[0].params, 'host');
-    const currency = config.getConfig('currency.adServerCurrency') || 'TRY';
     const bidderName = validBidRequests[0].bidder;
 
     const payload = {
@@ -89,7 +88,6 @@ export const spec = {
       },
       imp: bids,
       ext: {
-        cur: currency,
         bidder: bidderName
       },
       schain: {},
@@ -104,6 +102,10 @@ export const spec = {
       tmax: parseInt(tmax)
     };
 
+    if (config.getConfig('currency.adServerCurrency')) {
+      payload.ext.cur = config.getConfig('currency.adServerCurrency');
+    }
+
     if (bidderRequest && bidderRequest.gdprConsent && bidderRequest.gdprConsent.gdprApplies) {
       const consentStr = (bidderRequest.gdprConsent.consentString)
         ? bidderRequest.gdprConsent.consentString.replace(/\+/g, '-').replace(/\//g, '_').replace(/=+$/, '') : '';
@@ -189,7 +191,7 @@ export const spec = {
             cpm: bid.price,
             width: bid.width,
             height: bid.height,
-            currency: body.cur || 'TRY',
+            currency: body.cur,
             netRevenue: true,
             creativeId: bid.creative_id,
             meta: {
@@ -414,30 +416,30 @@ function interpretNativeAd(adm) {
   };
   native.assets.forEach(asset => {
     switch (asset.id) {
-      case OPENRTB.NATIVE.ASSET_ID.TITLE:
+      case OPENRTB.N.ASSET_ID.TITLE:
         result.title = asset.title.text;
         break;
-      case OPENRTB.NATIVE.ASSET_ID.IMAGE:
+      case OPENRTB.N.ASSET_ID.IMAGE:
         result.image = {
           url: encodeURI(asset.img.url),
           width: asset.img.w,
           height: asset.img.h
         };
         break;
-      case OPENRTB.NATIVE.ASSET_ID.ICON:
+      case OPENRTB.N.ASSET_ID.ICON:
         result.icon = {
           url: encodeURI(asset.img.url),
           width: asset.img.w,
           height: asset.img.h
         };
         break;
-      case OPENRTB.NATIVE.ASSET_ID.BODY:
+      case OPENRTB.N.ASSET_ID.BODY:
         result.body = asset.data.value;
         break;
-      case OPENRTB.NATIVE.ASSET_ID.SPONSORED:
+      case OPENRTB.N.ASSET_ID.SPONSORED:
         result.sponsoredBy = asset.data.value;
         break;
-      case OPENRTB.NATIVE.ASSET_ID.CTA:
+      case OPENRTB.N.ASSET_ID.CTA:
         result.cta = asset.data.value;
         break;
     }
diff --git a/test/spec/modules/admaticBidAdapter_spec.js b/test/spec/modules/admaticBidAdapter_spec.js
index 8730f2c1a0d..50700a7b4e1 100644
--- a/test/spec/modules/admaticBidAdapter_spec.js
+++ b/test/spec/modules/admaticBidAdapter_spec.js
@@ -802,6 +802,7 @@ describe('admaticBidAdapter', () => {
             'price': 0.01,
             'type': 'banner',
             'bidder': 'admatic',
+            'currency': 'TRY',
             'mime_type': {
               'name': 'backfill',
               'force': false
@@ -816,6 +817,7 @@ describe('admaticBidAdapter', () => {
             'width': 300,
             'height': 250,
             'price': 0.01,
+            'currency': 'TRY',
             'type': 'video',
             'mime_type': {
               'name': 'backfill',
@@ -832,6 +834,7 @@ describe('admaticBidAdapter', () => {
             'width': 1,
             'height': 1,
             'price': 0.01,
+            'currency': 'TRY',
             'type': 'native',
             'mime_type': {
               'name': 'backfill',
@@ -843,6 +846,7 @@ describe('admaticBidAdapter', () => {
             'iurl': 'https://www.admatic.com.tr'
           }
         ],
+        'cur': 'TRY',
         'queryId': 'cdnbh24rlv0hhkpfpln0',
         'status': true
       }};
@@ -853,9 +857,9 @@ describe('admaticBidAdapter', () => {
           cpm: 0.01,
           width: 300,
           height: 250,
-          currency: 'TRY',
           mediaType: 'banner',
           netRevenue: true,
+          currency: 'TRY',
           ad: '<div></div>',
           creativeId: '374',
           meta: {
@@ -873,9 +877,9 @@ describe('admaticBidAdapter', () => {
           cpm: 0.01,
           width: 300,
           height: 250,
-          currency: 'TRY',
           mediaType: 'video',
           netRevenue: true,
+          currency: 'TRY',
           vastXml: '<VAST></VAST>',
           creativeId: '3741',
           meta: {
@@ -893,9 +897,9 @@ describe('admaticBidAdapter', () => {
           cpm: 0.01,
           width: 1,
           height: 1,
-          currency: 'TRY',
           mediaType: 'native',
           netRevenue: true,
+          currency: 'TRY',
           native: {
             'clickUrl': 'https://www.admatic.com.tr',
             'impressionTrackers': ['https://www.admatic.com.tr'],
@@ -1144,7 +1148,8 @@ describe('admaticBidAdapter', () => {
       let bids = { body: {
         data: [],
         'queryId': 'cdnbh24rlv0hhkpfpln0',
-        'status': true
+        'status': true,
+        'cur': 'TRY'
       }};
 
       let result = spec.interpretResponse(bids, {data: request});