diff --git a/appveyor.yml b/appveyor.yml
index 724f8aa1..773a3435 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -56,10 +56,10 @@ after_build:
   - IF EXIST %APPVEYOR_BUILD_FOLDER%\build\libwebsockets-test-server.key.pem cp %APPVEYOR_BUILD_FOLDER%\build\libwebsockets-test-server.key.pem staging\share\libwebsockets-test-server
   - IF EXIST %APPVEYOR_BUILD_FOLDER%\build\lws_config.h cp %APPVEYOR_BUILD_FOLDER%\build\lws_config.h staging\include
   - cp %APPVEYOR_BUILD_FOLDER%\lib\libwebsockets.h staging\include
-  - 7z a build\lws-%LWS_METHOD%.zip %APPVEYOR_BUILD_FOLDER%\staging\*
+  - 7z a build\lws-%LWS_METHOD%-%APPVEYOR_BUILD_ID%.zip %APPVEYOR_BUILD_FOLDER%\staging\*
 
 artifacts:
-  - path: build\lws-%LWS_METHOD%.zip
+  - path: build\lws-%LWS_METHOD%-%APPVEYOR_BUILD_ID%.zip
 
 deploy:
 - provider: BinTray