diff --git a/build.py b/build.py
index c2c5685a2b..28f1fbb615 100755
--- a/build.py
+++ b/build.py
@@ -171,7 +171,7 @@ virtual('build', 'build/ol.css', 'build/ol.js',
         'build/ol-simple.js', 'build/ol-whitespace.js')
 
 
-virtual('check', 'lint', 'build/ol.css', 'build/ol.js', 'test')
+virtual('check', 'lint', 'build/ol.css', 'build/ol-all.js', 'test')
 
 
 virtual('todo', 'fixme')
diff --git a/buildcfg/ol-all.json b/buildcfg/ol-all.json
index f73cc58f3b..8b4f9dfa31 100644
--- a/buildcfg/ol-all.json
+++ b/buildcfg/ol-all.json
@@ -2,11 +2,21 @@
 
   "id": "ol-all",
 
+  "externs": [
+    "//json.js",
+    "../build/src/external/externs/types.js",
+    "../externs/bingmaps.js",
+    "../externs/geojson.js",
+    "../externs/proj4js.js",
+    "../externs/tilejson.js"
+  ],
+
   "inherits": "base.json",
 
   "inputs": [
     "../build/src/internal/src/requireall.js",
-    "../build/src/internal/src/types.js"
+    "../build/src/internal/src/types.js",
+    "../build/src/external/src/exports.js"
   ]
 
 }