diff --git a/src/v0/destinations/awin/utils.js b/src/v0/destinations/awin/utils.js
index a6acc11863..715fb5818d 100644
--- a/src/v0/destinations/awin/utils.js
+++ b/src/v0/destinations/awin/utils.js
@@ -81,11 +81,15 @@ const trackProduct = (properties, advertiserId, commissionParts) => {
 // ref: https://wiki.awin.com/index.php/Advertiser_Tracking_Guide/Product_Level_Tracking#PLT_Via_Conversion_Pixel
 const populateCustomTransactionProperties = (properties, customFieldMap) => {
   const customObject = {};
+  const customPropertyPattern = '^\\s*p\\d+\\s*$';
+  const regex = new RegExp(customPropertyPattern, 'i');
   const propertyMap = getHashFromArray(customFieldMap, 'from', 'to', false);
   Object.entries(propertyMap).forEach(([rudderProperty, awinProperty]) => {
-    const fieldValue = properties[rudderProperty];
-    if (fieldValue) {
-      customObject[awinProperty] = fieldValue;
+    if (regex.test(awinProperty)) {
+      const fieldValue = properties[rudderProperty];
+      if (fieldValue) {
+        customObject[awinProperty] = fieldValue;
+      }
     }
   });
   return customObject;
diff --git a/src/v0/destinations/awin/utils.test.js b/src/v0/destinations/awin/utils.test.js
index 3802612e9a..ca7d079b1b 100644
--- a/src/v0/destinations/awin/utils.test.js
+++ b/src/v0/destinations/awin/utils.test.js
@@ -175,14 +175,16 @@ describe('populateCustomTransactionProperties', () => {
       rudderProperty1: 'value1',
       rudderProperty2: 123,
       rudderProperty3: 'value3',
+      rudderProperty4: 234,
     };
     const customFieldMap = [
-      { from: 'rudderProperty1', to: 'awinProperty1' },
-      { from: 'rudderProperty2', to: 'awinProperty2' },
+      { from: 'rudderProperty1', to: 'p1' },
+      { from: 'rudderProperty2', to: 'p2' },
+      { from: 'rudderProperty4', to: 'anotherp2' },
     ];
     const expectedOutput = {
-      awinProperty1: 'value1',
-      awinProperty2: 123,
+      p1: 'value1',
+      p2: 123,
     };
 
     const result = populateCustomTransactionProperties(properties, customFieldMap);