diff --git a/site/Makefile b/site/Makefile
index 29b4003..404aaeb 100644
--- a/site/Makefile
+++ b/site/Makefile
@@ -9,6 +9,7 @@ all:
 	cd out && npx uncss index.html --stylesheets remixicon.css > _remixicon.css; cd ..
 	mv out/_remixicon.css out/remixicon.css
 	cp ../static/* out/
+	node inject.js
 
 debug:
 	-mkdir -p out
diff --git a/site/inject.js b/site/inject.js
new file mode 100644
index 0000000..d4ec09b
--- /dev/null
+++ b/site/inject.js
@@ -0,0 +1,5 @@
+let fs = require('fs');
+
+let content = fs.readFileSync("out/index.html", 'utf8');
+
+fs.writeFileSync("out/index.html", content.replace('<script src="main.js"></script>', '<script src="main.js"></script>'+process.env.INJECT));