diff --git a/.pytool/Plugin/RustHostUnitTestPlugin/RustHostUnitTestPlugin.py b/.pytool/Plugin/RustHostUnitTestPlugin/RustHostUnitTestPlugin.py
index b053e66b65c..e0d78170cad 100644
--- a/.pytool/Plugin/RustHostUnitTestPlugin/RustHostUnitTestPlugin.py
+++ b/.pytool/Plugin/RustHostUnitTestPlugin/RustHostUnitTestPlugin.py
@@ -26,7 +26,7 @@ def RunBuildPlugin(self, packagename, Edk2pathObj, pkgconfig, environment, PLM,
         
         with_coverage = pkgconfig.get("CalculateCoverage", True)
 
-        if platform.system() == "Windows" and platform.machine() == 'aarch64':
+        if platform.system() == "Windows" and platform.machine() == 'ARM64':
             logging.debug("Coverage skipped by plugin, not supported on Windows ARM")
             with_coverage = False