diff --git a/appveyor.yml b/appveyor.yml
index f5ac88ceb2..36fa7e6541 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -45,4 +45,7 @@ build_script:
 
 test_script:
   - cd %APPVEYOR_BUILD_FOLDER%
-  - cmd: ant -q test-no-regression
+  - SET NETBEANS_PLAT_VER=15
+  - SET AUTOPSY_PLATFORM_PATH="%APPVEYOR_BUILD_FOLDER%/netbeans-plat/%NETBEANS_PLAT_VER%"
+  - SET AUTOPSY_HARNESS_PATH="%AUTOPSY_PLATFORM_PATH%/harness"
+  - cmd: ant -q ant -Dnbplatform.active.dir="%AUTOPSY_PLATFORM_PATH%" -Dnbplatform.default.harness.dir="%AUTOPSY_HARNESS_PATH%" test-no-regression