diff --git a/src/lua/core/filesystem.lua b/src/lua/core/filesystem.lua
index 039a846..a0c34ed 100644
--- a/src/lua/core/filesystem.lua
+++ b/src/lua/core/filesystem.lua
@@ -156,7 +156,7 @@ function filesystem.register(basePath, identifier)
     checkArg(1, value, "number")
     return value --TODO: Implement, use real labels
   end
-  return modules.component.api.register(modules.uuidmgr.lookup("filesystem", basePath or identifier), "filesystem", fs)
+  return modules.component.api.register(modules.uuidmgr.lookup("filesystem", identifier or basePath), "filesystem", fs)
 end
 
 return filesystem