diff --git a/src/Servers/IIS/IIS/test/Common.FunctionalTests/Infrastructure/SkipIfNotAdminAttribute.cs b/src/Servers/IIS/IIS/test/Common.FunctionalTests/Infrastructure/SkipIfNotAdminAttribute.cs
index 189a0efd0d46..8721e39eacbe 100644
--- a/src/Servers/IIS/IIS/test/Common.FunctionalTests/Infrastructure/SkipIfNotAdminAttribute.cs
+++ b/src/Servers/IIS/IIS/test/Common.FunctionalTests/Infrastructure/SkipIfNotAdminAttribute.cs
@@ -14,6 +14,11 @@ public bool IsMet
     {
         get
         {
+            if (!OperatingSystem.IsWindows())
+            {
+                return false;
+            }
+
             var identity = WindowsIdentity.GetCurrent();
             var principal = new WindowsPrincipal(identity);
             return principal.IsInRole(WindowsBuiltInRole.Administrator) || SkipInVSTSAttribute.RunningInVSTS;