vendor/lib/visitor/evaluator.js in stylus-source-0.22.6 vs vendor/lib/visitor/evaluator.js in stylus-source-0.23.0

@@ -770,10 +770,10 @@
       return ret;
     }, []);
   }
 
   // Invoke the BIF
-  var body = fn.apply(this, args);
+  var body = nodes.cast(fn.apply(this, args));
 
   // Always wrapping allows js functions
   // to return several values with a single
   // Expression node
   var expr = new nodes.Expression;