diff --git a/apps/invader/metadata.json b/apps/invader/metadata.json
index b1c1805d3..f3beedb50 100644
--- a/apps/invader/metadata.json
+++ b/apps/invader/metadata.json
@@ -4,7 +4,7 @@
   "version":"0.01",
   "description": "A Space Invader game-like demo - work in progress",
   "icon": "app.png",
-  "screenshots" : "screenshot.png", 
+  "screenshots" : [ { "url":"screenshot.png" } ],
   "tags": "game",
   "supports" : ["BANGLEJS2"],  
   "readme": "README.md",