diff --git a/src/SourceBuild/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/ExecuteHelper.cs b/src/SourceBuild/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/ExecuteHelper.cs
index 129d96c24777..d6da48981621 100644
--- a/src/SourceBuild/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/ExecuteHelper.cs
+++ b/src/SourceBuild/content/test/Microsoft.DotNet.SourceBuild.SmokeTests/ExecuteHelper.cs
@@ -100,7 +100,7 @@ public static (Process Process, string StdOut, string StdErr) ExecuteProcess(
                 outputHelper.WriteLine(output);
             }
 
-            if (string.IsNullOrWhiteSpace(error))
+            if (!string.IsNullOrWhiteSpace(error))
             {
                 outputHelper.WriteLine(error);
             }