diff --git a/lib/obj.coffee b/lib/obj.coffee
index 02bc143..f8ba818 100644
--- a/lib/obj.coffee
+++ b/lib/obj.coffee
@@ -17,6 +17,9 @@ parsedsc = (text, name) ->
 # An object cannot be in several locations at once, you must clone the variable.
 class SaletObj
   constructor: (spec) ->
+    unless spec.name?
+      console.error("Trying to create an object with no name")
+      return null
     for key, value of spec
       this[key] = value
   level: 0