2 files changed, 5 insertions, 1 deletions

diff --git a/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs b/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
index f9cd2c70..ee93b03a 100644
--- a/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
+++ b/src/test/WixToolsetTest.CoreIntegration/CustomTableFixture.cs
@@ -205,6 +205,7 @@ namespace WixToolsetTest.CoreIntegration
                 var result = WixRunner.Execute(new[]
                 {
                     "build",
+                    "-d", "ProductCode=83f9c623-26fe-42ab-951e-170022117f54",
                     Path.Combine(folder, "CustomTable", "CustomTable.wxs"),
                     Path.Combine(folder, "ProductWithComponentGroupRef", "MinimalComponentGroup.wxs"),
                     Path.Combine(folder, "ProductWithComponentGroupRef", "Product.wxs"),
diff --git a/src/test/WixToolsetTest.CoreIntegration/TestData/ProductWithComponentGroupRef/Product.wxs b/src/test/WixToolsetTest.CoreIntegration/TestData/ProductWithComponentGroupRef/Product.wxs
index b71627a2..433be7f0 100644
--- a/src/test/WixToolsetTest.CoreIntegration/TestData/ProductWithComponentGroupRef/Product.wxs
+++ b/src/test/WixToolsetTest.CoreIntegration/TestData/ProductWithComponentGroupRef/Product.wxs
@@ -1,5 +1,8 @@
 <Wix xmlns="http://wixtoolset.org/schemas/v4/wxs">
-    <Package Name="MsiPackage" Codepage="1252" Language="1033" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="12E4699F-E774-4D05-8A01-5BDD41BBA127" Compressed="no" Scope="perMachine" ProductCode="83f9c623-26fe-42ab-951e-170022117f54">
+    <?ifndef ProductCode?>
+    <?define ProductCode = *?>
+    <?endif?>
+    <Package Name="MsiPackage" Codepage="1252" Language="1033" Version="1.0.0.0" Manufacturer="Example Corporation" UpgradeCode="12E4699F-E774-4D05-8A01-5BDD41BBA127" Compressed="no" Scope="perMachine" ProductCode="$(var.ProductCode)">
 
         <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />