diff --git a/build.sh b/build.sh
index 3d412f1c..a197dcf1 100644
--- a/build.sh
+++ b/build.sh
@@ -77,7 +77,9 @@ BUILD() {
       fi
   done
   cd build
-  upx -9 ./*
+  for i in $(find . -type f -name "$appName-*"); do
+    upx -9 -o $i-upx $i
+  done
   find . -type f -print0 | xargs -0 md5sum >md5.txt
   cat md5.txt
   cd ..