diff --git a/src/code_manager/model/CssGenerator.js b/src/code_manager/model/CssGenerator.js
index 28b89e615..0e96315e1 100644
--- a/src/code_manager/model/CssGenerator.js
+++ b/src/code_manager/model/CssGenerator.js
@@ -62,7 +62,7 @@ export default Backbone.Model.extend({
       const atRules = {};
       const dump = [];
 
-      if (opts.matchedOnly && model && hasWin()) {
+      if (opts.onlyMatched && model && hasWin()) {
         rules = this.matchedRules(model, rules);
       }