diff --git a/images/win/scripts/Tests/Tools.Tests.ps1 b/images/win/scripts/Tests/Tools.Tests.ps1
index 848e82ea..2bb3fddf 100644
--- a/images/win/scripts/Tests/Tools.Tests.ps1
+++ b/images/win/scripts/Tests/Tools.Tests.ps1
@@ -18,8 +18,6 @@ Describe "Kind" {
 
 Describe "DotnetTLS" {
     It "Tls 1.2 is enabled" {
-        $protocols = [Net.ServicePointManager]::SecurityProtocol
-        $protocolArr = $protocols -split ', '
-        $protocolArr.Contains('Tls12') | Should -BeTrue
+        [Net.ServicePointManager]::SecurityProtocol -band "Tls12" | Should -Be Tls12
     }
 }
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