diff --git a/appveyor.yml b/appveyor.yml
index 5b914ae0..76a5c99a 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -83,6 +83,8 @@
       ( if [%COMPILER%]==[gcc] if [%ARTIFACT%]==[true]
           ECHO Creating artifacts &&
           ECHO %cd% &&
+          make clean &&
+          7z a -ttar zstd-src.tar * &&
           lib\dll\example\build_package.bat &&
           cd programs\ && make DEBUGFLAGS= clean zstd &&
           7z a -tzip -mx9 zstd-win-binary-%PLATFORM%.zip zstd.exe &&