diff --git a/src/js/static-net-filtering.js b/src/js/static-net-filtering.js
index f00834292..2950116b6 100644
--- a/src/js/static-net-filtering.js
+++ b/src/js/static-net-filtering.js
@@ -2645,6 +2645,7 @@ const FilterParser = class {
     isJustOrigin() {
         return this.isRegex === false &&
             this.dataType === undefined &&
+            this.denyallow === '' &&
             this.domainOpt !== '' && (
                 this.f === '*' || (
                     this.anchor === 0b010 &&