diff --git a/lib/scope.js b/lib/scope.js
index ea271639..d15cec75 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -187,6 +187,7 @@ AST_Toplevel.DEFMETHOD("figure_out_scope", function(){
                 } else {
                     g = new SymbolDef(self, globals.size(), node);
                     g.undeclared = true;
+                    g.global = true;
                     globals.set(name, g);
                 }
                 node.thedef = g;