diff --git a/manifest.json b/manifest.json
index d7be1e7..ba43561 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,6 +8,6 @@
 			"src": "icon.svg"
 		}
 	],
-	"start_url": "index.html",
+	"start_url": "/mcalc/index.html",
 	"display": "standalone"
 }