diff --git a/manifest.json b/manifest.json
index 6e84bc09..89764722 100644
--- a/manifest.json
+++ b/manifest.json
@@ -53,7 +53,7 @@
       "src": "/public/splash_screens/icon144x144.png",
       "sizes": "144x144",
       "type": "image/png",
-      "purpose": "any"
+      "purpose": "unset"
     },
     {
       "src": "/public/splash_screens/4__iPhone_SE__iPod_touch_5th_generation_and_later_landscape.png",
@@ -207,3 +207,4 @@
     }
   ]
 }
+