diff --git a/packages/backend/src/server/web/manifest.json b/packages/backend/src/server/web/manifest.json
index 48030a298..f8b77cbd9 100644
--- a/packages/backend/src/server/web/manifest.json
+++ b/packages/backend/src/server/web/manifest.json
@@ -9,12 +9,14 @@
 		{
 			"src": "/static-assets/icons/192.png",
 			"sizes": "192x192",
-			"type": "image/png"
+			"type": "image/png",
+			"purpose": "maskable"
 		},
 		{
 			"src": "/static-assets/icons/512.png",
 			"sizes": "512x512",
-			"type": "image/png"
+			"type": "image/png",
+			"purpose": "maskable"
 		}
 	],
 	"share_target": {