--- a/testing/release/common/unpack.sh
+++ b/testing/release/common/unpack.sh
@@ -16,17 +16,19 @@ unpack_build () {
             hdiutil detach mnt > /dev/null
             cd $dir_name
             ;;
         win32|WINNT_x86-msvc)
             7z x ../"$pkg_file" > /dev/null
             if [ -d localized ]
             then
               mkdir bin/
-              cp -rp localized/* nonlocalized/* optional/* bin/
+              cp -rp nonlocalized/* bin/
+              cp -rp localized/*    bin/
+              cp -rp optional/*     bin/
             else
               for file in *.xpi
               do
                 unzip -o $file > /dev/null
               done
             fi
             ;;
         linux-i686|linux|Linux_x86-gcc|Linux_x86-gcc3)