diff --git a/manifest.json b/manifest.json
index e9e348a8..f948bf6e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -12,7 +12,8 @@
       "unlimitedStorage",
       "notifications",
       "fileSystem",
-      "alarms"
+      "alarms",
+      "fullscreen"
     ],
 
     "icons": {