diff --git a/platform/mv3/extension/js/scripting/css-declarative.js b/platform/mv3/extension/js/scripting/css-declarative.js
index 097d6fc7f..ae5bf3031 100644
--- a/platform/mv3/extension/js/scripting/css-declarative.js
+++ b/platform/mv3/extension/js/scripting/css-declarative.js
@@ -105,25 +105,30 @@ if ( selectors.length === 0 ) { return; }
 
 const cssRuleFromProcedural = details => {
     const { tasks, action } = details;
-    let mq;
-    if ( tasks !== undefined ) {
-        if ( tasks.length > 1 ) { return; }
+    let mq, selector;
+    if ( Array.isArray(tasks) ) {
         if ( tasks[0][0] !== 'matches-media' ) { return; }
         mq = tasks[0][1];
+        if ( tasks.length > 2 ) { return; }
+        if ( tasks.length === 2 ) {
+            if ( tasks[1][0] !== 'spath' ) { return; }
+            selector = tasks[1][1];
+        }
     }
     let style;
     if ( Array.isArray(action) ) {
         if ( action[0] !== 'style' ) { return; }
+        selector = selector || details.selector;
         style = action[1];
     }
-    if ( mq === undefined && style === undefined ) { return; }
+    if ( mq === undefined && style === undefined && selector === undefined ) { return; }
     if ( mq === undefined ) {
-        return `${details.selector}\n{${style}}`;
+        return `${selector}\n{${style}}`;
     }
     if ( style === undefined ) {
-        return `@media ${mq} {\n${details.selector}\n{display:none!important;}\n}`;
+        return `@media ${mq} {\n${selector}\n{display:none!important;}\n}`;
     }
-    return `@media ${mq} {\n${details.selector}\n{${style}}\n}`;
+    return `@media ${mq} {\n${selector}\n{${style}}\n}`;
 };
 
 const sheetText = [];
diff --git a/src/js/static-filtering-parser.js b/src/js/static-filtering-parser.js
index 65ec52288..16c05334e 100644
--- a/src/js/static-filtering-parser.js
+++ b/src/js/static-filtering-parser.js
@@ -3115,7 +3115,10 @@ class ExtSelectorCompiler {
         if ( Array.isArray(r.tasks) === false ) { return true; }
         if ( r.tasks[0][0] === 'matches-media' ) {
             if ( r.tasks.length === 1 ) { return true; }
-            if ( r.tasks.length === 2 && r.tasks[1][0] === 'spath' ) { return true; }
+            if ( r.tasks.length === 2 ) {
+                if ( r.selector !== '' ) { return false; }
+                if ( r.tasks[1][0] === 'spath' ) { return true; }
+            }
         }
         return false;
     }