diff --git a/testing/release/common/unpack.sh b/testing/release/common/unpack.sh
index 65fa3e4b1f1..d2994ea65af 100755
--- a/testing/release/common/unpack.sh
+++ b/testing/release/common/unpack.sh
@@ -21,7 +21,9 @@ unpack_build () {
             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