diff --git a/eng/common/scripts/stress-testing/deploy-stress-tests.ps1 b/eng/common/scripts/stress-testing/deploy-stress-tests.ps1
index 336854608..a50dc1522 100644
--- a/eng/common/scripts/stress-testing/deploy-stress-tests.ps1
+++ b/eng/common/scripts/stress-testing/deploy-stress-tests.ps1
@@ -156,6 +156,7 @@ function DeployStressPackage(
 
     Write-Host "Creating namespace $($pkg.Namespace) if it does not exist..."
     kubectl create namespace $pkg.Namespace --dry-run=client -o yaml | kubectl apply -f -
+    if ($LASTEXITCODE) {exit $LASTEXITCODE}
 
     Write-Host "Installing or upgrading stress test $($pkg.ReleaseName) from $($pkg.Directory)"
     Run helm upgrade $pkg.ReleaseName $pkg.Directory `
diff --git a/eng/common/scripts/stress-testing/find-all-stress-packages.ps1 b/eng/common/scripts/stress-testing/find-all-stress-packages.ps1
index 277f09199..883fda959 100644
--- a/eng/common/scripts/stress-testing/find-all-stress-packages.ps1
+++ b/eng/common/scripts/stress-testing/find-all-stress-packages.ps1
@@ -49,7 +49,7 @@ function NewStressTestPackageInfo([hashtable]$chart, [System.IO.FileInfo]$chartF
     }
 
     return [StressTestPackageInfo]@{
-        Namespace = $namespace
+        Namespace = $namespace.ToLower()
         Directory = $chartFile.DirectoryName
         ReleaseName = $chart.name
     }