diff --git a/scripts/make.sh b/scripts/make.sh
index 7ca8028..330c1de 100755
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -13,7 +13,7 @@ cp "./scripts/manifests/firefox.json" "./src/manifest.json" || exit
 
 # create zip
 cd src || exit
-zip -r -FS "../build/$EXTENSION_NAME.zip" ./* --exclude "tests/*"
+zip -r -FS "../build/$EXTENSION_NAME.xpi" ./* --exclude "tests/*"
 
 # revert changes
 mv LICENSE.md ../LICENSE.md