diff --git a/gamecore/scenemanager.lua b/gamecore/scenemanager.lua
index 5d403ca..ad7c9d6 100644
--- a/gamecore/scenemanager.lua
+++ b/gamecore/scenemanager.lua
@@ -42,15 +42,19 @@ function SceneManager:update(dt)
 end
 
 function SceneManager:mousemoved(x, y, dx, dy)
-  self.currentScene.mouse.x,
-  self.currentScene.mouse.y = x, y
-  self.currentScene:mousemoved(x, y, dx, dy)
-  self.currentScene.menusystem:mousemoved(x, y, dx, dy)
+  if (self.currentScene ~= nil) then
+    self.currentScene.mouse.x,
+    self.currentScene.mouse.y = x, y
+    self.currentScene:mousemoved(x, y, dx, dy)
+    self.currentScene.menusystem:mousemoved(x, y, dx, dy)
+  end
 end
 
 function SceneManager:mousepressed( x, y, button, istouch )
-  self.currentScene:mousepressed( x, y, button, istouch )
-  self.currentScene.menusystem:mousepressed( x, y, button, istouch )
+  if (self.currentScene ~= nil) then
+    self.currentScene:mousepressed( x, y, button, istouch )
+    self.currentScene.menusystem:mousepressed( x, y, button, istouch )
+  end
 end
 
 function SceneManager:clearScene()