diff --git a/lib/nodes.js b/lib/nodes.js
index bbf3e84484..f5757ccc90 100644
--- a/lib/nodes.js
+++ b/lib/nodes.js
@@ -1117,10 +1117,10 @@
       lname = new Literal(name);
       this.setContext(name);
       this.walkBody(name, o);
-      this.ensureConstructor(name);
       if (this.parent) {
         this.body.expressions.unshift(new Extends(lname, this.parent));
       }
+      this.ensureConstructor(name);
       if (!(this.ctor instanceof Code)) {
         this.body.expressions.unshift(this.ctor);
       }
diff --git a/src/nodes.coffee b/src/nodes.coffee
index 0e448d3860..7a5dd476ac 100644
--- a/src/nodes.coffee
+++ b/src/nodes.coffee
@@ -896,8 +896,8 @@ exports.Class = class Class extends Base
 
     @setContext name
     @walkBody name, o
-    @ensureConstructor name
     @body.expressions.unshift new Extends lname, @parent if @parent
+    @ensureConstructor name
     @body.expressions.unshift @ctor unless @ctor instanceof Code
     @body.expressions.push lname
     @addBoundFunctions o