diff --git a/tests/pytests/unit/modules/test_win_pkg.py b/tests/pytests/unit/modules/test_win_pkg.py
index 3ae8f24f8dd6..a976b6d6083b 100644
--- a/tests/pytests/unit/modules/test_win_pkg.py
+++ b/tests/pytests/unit/modules/test_win_pkg.py
@@ -6,6 +6,7 @@
 
 import pytest
 
+import salt.loader.dunder
 import salt.modules.config as config
 import salt.modules.cp as cp
 import salt.modules.pkg_resource as pkg_resource
@@ -57,7 +58,7 @@ def configure_loader_modules(minion_opts):
     opts = minion_opts
     opts["master_uri"] = "localhost"
     return {
-        cp: {"__opts__": opts},
+        cp: {"__opts__": salt.loader.dunder.__opts__.with_default(opts)},
         win_pkg: {
             "_get_latest_package_version": MagicMock(return_value="3.03"),
             "_get_package_info": MagicMock(return_value=pkg_info),