diff --git a/test/E2ETests/DeploymentUtility.cs b/test/E2ETests/DeploymentUtility.cs
index 4d643d709c..8e93a6e7d1 100644
--- a/test/E2ETests/DeploymentUtility.cs
+++ b/test/E2ETests/DeploymentUtility.cs
@@ -66,7 +66,7 @@ namespace E2ETests
             if (!string.IsNullOrWhiteSpace(startParameters.EnvironmentName))
             {
                 //To choose an environment based Startup
-                Environment.SetEnvironmentVariable("ENV", startParameters.EnvironmentName);
+                Environment.SetEnvironmentVariable("KRE_ENV", startParameters.EnvironmentName);
             }
 
             Process hostProcess = null;