1 files changed, 2 insertions, 2 deletions
diff --git a/lib/scope.js b/lib/scope.js
index d07eca12..7ae87072 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -88,7 +88,7 @@ SymbolDef.prototype = {
 
 AST_Toplevel.DEFMETHOD("figure_out_scope", function(options){
     options = defaults(options, {
-        screw_ie8: false,
+        screw_ie8: true,
         cache: null
     });
 
@@ -377,7 +377,7 @@ AST_Toplevel.DEFMETHOD("_default_mangler_options", function(options){
         eval        : false,
         sort        : false, // Ignored. Flag retained for backwards compatibility.
         toplevel    : false,
-        screw_ie8   : false,
+        screw_ie8   : true,
         keep_fnames : false
     });
 });