diff --git a/lib/units/device/plugins/browser.js b/lib/units/device/plugins/browser.js
index a20e5953..c781d74f 100644
--- a/lib/units/device/plugins/browser.js
+++ b/lib/units/device/plugins/browser.js
@@ -31,21 +31,24 @@ module.exports = syrup.serial()
       return component.split('/', 1)[0]
     }
 
-    function processApp(app) {
+    function appReducer(acc, app) {
       var packageName = pkg(app.component)
       var browserId = mapping[packageName]
 
       if (!browserId) {
-        throw new Error(util.format('Unmapped browser "%s"', packageName))
+        log.warn('Unmapped browser "%s"', packageName)
+        return acc
       }
 
-      return {
+      acc.push({
         id: app.component
       , type: browserId
       , name: browsers[browserId].name
       , selected: app.selected
       , system: app.system
-      }
+      })
+
+      return acc
     }
 
     function updateBrowsers(data) {
@@ -55,9 +58,7 @@ module.exports = syrup.serial()
       , wireutil.envelope(new wire.DeviceBrowserMessage(
           options.serial
         , data.selected
-        , data.apps.map(function(app) {
-            return new wire.DeviceBrowserAppMessage(processApp(app))
-          })
+        , data.apps.reduce(appReducer, [])
         ))
       ])
     }