diff --git a/modules/taboolaBidAdapter.js b/modules/taboolaBidAdapter.js
index 670d28ab6..242a5d4c3 100644
--- a/modules/taboolaBidAdapter.js
+++ b/modules/taboolaBidAdapter.js
@@ -106,11 +106,7 @@ export const spec = {
       regs.coppa = 1;
     }
 
-    const ortb2 = bidderRequest.ortb2 || {
-      badv: [],
-      bcat: []
-    };
-
+    const ortb2 = bidderRequest.ortb2;
     const request = {
       id: bidderRequest.auctionId,
       imp: imps,
@@ -118,8 +114,9 @@ export const spec = {
       device,
       source: {fd: 1},
       tmax: bidderRequest.timeout,
-      bcat: ortb2.bcat,
-      badv: ortb2.badv,
+      bcat: ortb2.bcat || bidRequest.params.bcat || [],
+      badv: ortb2.badv || bidRequest.params.badv || [],
+      wlang: ortb2.wlang || bidRequest.params.wlang || [],
       user,
       regs
     };
diff --git a/test/spec/modules/taboolaBidAdapter_spec.js b/test/spec/modules/taboolaBidAdapter_spec.js
index 5bde75cd0..5ad134b5d 100644
--- a/test/spec/modules/taboolaBidAdapter_spec.js
+++ b/test/spec/modules/taboolaBidAdapter_spec.js
@@ -137,6 +137,7 @@ describe('Taboola Adapter', function () {
         'source': {'fd': 1},
         'bcat': [],
         'badv': [],
+        'wlang': [],
         'user': {
           'buyeruid': 0,
           'ext': {},
@@ -216,6 +217,24 @@ describe('Taboola Adapter', function () {
       expect(resData.tmax).to.equal(500);
     });
 
+    describe('first party data', function () {
+      it('should parse first party data', function () {
+        const bidderRequest = {
+          ...commonBidderRequest,
+          ortb2: {
+            bcat: ['EX1', 'EX2', 'EX3'],
+            badv: ['site.com'],
+            wlang: ['de'],
+          }
+        }
+        const res = spec.buildRequests([defaultBidRequest], bidderRequest);
+        const resData = JSON.parse(res.data);
+        expect(resData.bcat).to.deep.equal(bidderRequest.ortb2.bcat)
+        expect(resData.badv).to.deep.equal(bidderRequest.ortb2.badv)
+        expect(resData.wlang).to.deep.equal(bidderRequest.ortb2.wlang)
+      });
+    });
+
     describe('handle privacy segments when building request', function () {
       it('should pass GDPR consent', function () {
         const bidderRequest = {