diff --git a/Makefile b/Makefile
index 13a8dbe..d006c7e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,8 @@
+build: fx-build cr-build
+
 fx-build:
-	web-ext -a . build
-	rename -f "s/\.zip$$/.xpi/" youtubecinema-*.zip
+	web-ext -a .. build
+	rename -f "s/\.zip$$/.xpi/" ../youtubecinema-*.zip
+
+cr-build:
+	(cd .. && chromium-browser --pack-extension=youtubecinema --pack-extension-key=youtubecinema.pem)