diff --git a/lib/output.js b/lib/output.js
index 550af554..479aaacd 100644
--- a/lib/output.js
+++ b/lib/output.js
@@ -1474,10 +1474,10 @@ function OutputStream(options) {
         }
         if (self.extends) {
             var parens = (
-                   !(self.extends instanceof AST_ClassExpression)
-                && !(self.extends instanceof AST_Function)
-                && !(self.extends instanceof AST_SymbolRef)
+                   !(self.extends instanceof AST_SymbolRef)
                 && !(self.extends instanceof AST_PropAccess)
+                && !(self.extends instanceof AST_ClassExpression)
+                && !(self.extends instanceof AST_Function)
             );
             output.print("extends");
             if (parens) {