diff --git a/manifest.json b/manifest.json
index baddca1..d85497f 100644
--- a/manifest.json
+++ b/manifest.json
@@ -18,7 +18,8 @@
 		{
 			"src": "www/icon-circle512x512.png",
 			"type": "image/png",
-			"sizes": "512x512"
+			"sizes": "512x512",
+			"purpose": "maskable"
 		}
 	],
 	"screenshots": [
@@ -33,4 +34,4 @@
 			"type": "image/jpeg"
 		}
 	]
-}
\ No newline at end of file
+}