diff --git a/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleAndroid.cs b/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleAndroid.cs
index e39f75a5..d3ccbcd3 100644
--- a/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleAndroid.cs
+++ b/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleAndroid.cs
@@ -27,9 +27,11 @@ public BidRequest ModifyRequest(BidRequest bidRequest, string data) {
 			if (data.IsNullOrEmpty()) {
 				return bidRequest;
 			}
-			if (bidRequest.User.Ext != null) {
-				bidRequest.User.Ext.VungleBuyerId = data;
+			if (bidRequest.User.Ext == null) {
+				bidRequest.User.Ext = new UserExt();
 			}
+			bidRequest.User.Ext.VungleBuyerId = data;
+
 			
 			return bidRequest;
 		}
diff --git a/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleIOS.cs b/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleIOS.cs
index f87be30b..c009e7bc 100644
--- a/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleIOS.cs
+++ b/com.adsbynimbus.nimbus/Runtime/Scripts/Nimbus.Internal/Interceptor/ThirdPartyDemand/Vungle/VungleIOS.cs
@@ -30,9 +30,11 @@ public BidRequest ModifyRequest(BidRequest bidRequest, string data) {
 			if (data.IsNullOrEmpty()) {
 				return bidRequest;
 			}
-			if (bidRequest.User.Ext != null) {
-				bidRequest.User.Ext.VungleBuyerId = data;
+			if (bidRequest.User.Ext == null) {
+				bidRequest.User.Ext = new UserExt();
 			}
+			bidRequest.User.Ext.VungleBuyerId = data;
+
 
 			return bidRequest;
 		}