diff --git a/build.sh b/build.sh
index b5047b73..1d1fcfc1 100644
--- a/build.sh
+++ b/build.sh
@@ -59,7 +59,8 @@ BuildDev() {
   mv alist-* dist
   cd dist
   upx -9 ./alist-linux*
-  upx -9 ./alist-windows-amd64.exe
+  cp ./alist-windows-amd64.exe ./alist-windows-amd64-upx.exe
+  upx -9 ./alist-windows-amd64-upx.exe
   find . -type f -print0 | xargs -0 md5sum >md5.txt
   cat md5.txt
 }
@@ -95,7 +96,8 @@ BuildRelease() {
   xgo -out "$appName" -ldflags="$ldflags" -tags=jsoniter .
   # why? Because some target platforms seem to have issues with upx compression
   upx -9 ./alist-linux-amd64
-  upx -9 ./alist-windows-amd64.exe
+  cp ./alist-windows-amd64.exe ./alist-windows-amd64-upx.exe
+  upx -9 ./alist-windows-amd64-upx.exe
   mv alist-* build
 }