diff --git a/app/core/CoreEnv.scala b/app/core/CoreEnv.scala
index a81d582ce7..91b479613c 100644
--- a/app/core/CoreEnv.scala
+++ b/app/core/CoreEnv.scala
@@ -93,6 +93,7 @@ final class CoreEnv private (application: Application, val settings: Settings) {
     settings = settings)
 
   lazy val game = new lila.game.GameEnv(
+    app = app,
     settings = settings,
     mongodb = mongodb.apply _)
 
diff --git a/app/game/GameEnv.scala b/app/game/GameEnv.scala
index 3ec318d092..96d7ce1c27 100644
--- a/app/game/GameEnv.scala
+++ b/app/game/GameEnv.scala
@@ -1,11 +1,13 @@
 package lila
 package game
 
+import play.api.Application
 import com.mongodb.casbah.MongoCollection
 
 import core.Settings
 
 final class GameEnv(
+    app: Application,
     settings: Settings,
     mongodb: String ⇒ MongoCollection) {
 
@@ -34,5 +36,5 @@ final class GameEnv(
 
   lazy val rewind = new Rewind
 
-  lazy val gameJs = new GameJs(settings.GameJsPath)
+  lazy val gameJs = new GameJs(app.path.getCanonicalPath + "/" + settings.GameJsPath)
 }