diff --git a/Makefile b/Makefile
index 7df4b90..cd8906d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
 all: ts/*ts
 	npm install
 	./node_modules/typescript/bin/tsc
-	./node_modules/esbuild/bin/esbuild ts/main.ts --bundle --minify --sourcemap --target=firefox57 --outfile=static/calibration-visualiser.js
+	./node_modules/esbuild/bin/esbuild ts/main.ts --bundle --minify --sourcemap --target=firefox58 --outfile=src/nenuscanner/static/calibration-visualiser.js