diff --git a/gamecore/modules/world/camera.lua b/gamecore/modules/world/camera.lua
index d70057c..3df293b 100644
--- a/gamecore/modules/world/camera.lua
+++ b/gamecore/modules/world/camera.lua
@@ -83,15 +83,19 @@ function CameraSystem:getViewCam(id)
 end
 
 function CameraSystem:attachView(id)
-  local cam = self:getViewCam(id)
+  if (id ~= nil) then
+    local cam = self:getViewCam(id)
 
-  cam:attach()
+    cam:attach()
+  end
 end
 
 function CameraSystem:detachView(id)
-  local cam = self:getViewCam(id)
+  if (id ~= nil) then
+    local cam = self:getViewCam(id)
 
-  cam:detach()
+    cam:detach()
+  end
 end
 
 return CameraSystem