diff --git a/tools/make-firefox.sh b/tools/make-firefox.sh
index a71045d..739004f 100755
--- a/tools/make-firefox.sh
+++ b/tools/make-firefox.sh
@@ -28,4 +28,7 @@ cp LICENSE.txt $DES/
 echo "*** uBlock_xpi: Generating meta..."
 python tools/make-firefox-meta.py $DES/
 
+echo "*** uBlock_xpi: Creating package..."
+zip dist/build/uBlock.firefox.xpi -qr $DES/*
+
 echo "*** uBlock_xpi: Package done."