diff --git a/src/js/reverselookup-worker.js b/src/js/reverselookup-worker.js
index bb3a01a3b..7b2662c87 100644
--- a/src/js/reverselookup-worker.js
+++ b/src/js/reverselookup-worker.js
@@ -198,7 +198,7 @@ var fromCosmeticFilter = function(details) {
             case 8:
             case 9:
                 if (
-                    fargs[0] === 8 && fargs[3] !== selector ||
+                    fargs[0] !== 9 && fargs[3] !== selector ||
                     fargs[0] === 9 && JSON.parse(fargs[3]).raw !== selector
                 ) {
                     break;