diff --git a/src/js/messaging.js b/src/js/messaging.js
index 89ea9513d..a9359b1ef 100644
--- a/src/js/messaging.js
+++ b/src/js/messaging.js
@@ -107,10 +107,6 @@ var onMessage = function(request, sender, callback) {
 
     case 'cosmeticFiltersInjected':
         µb.cosmeticFilteringEngine.addToSelectorCache(request);
-        // Net-based cosmetic filters are of no interest for logging purpose.
-        if ( µb.logger.isEnabled() && request.type !== 'net' ) {
-            µb.logCosmeticFilters(tabId);
-        }
         break;
 
     case 'createUserFilter':
@@ -523,8 +519,8 @@ var onMessage = function(request, sender, callback) {
         if ( µb.canInjectScriptletsNow === false ) {
             response.scriptlets = µb.scriptletFilteringEngine.retrieve(request);
         }
-        if ( request.isRootFrame && µb.logger.isEnabled() ) {
-            µb.logCosmeticFilters(tabId);
+        if ( response.noCosmeticFiltering !== true ) {
+            µb.logCosmeticFilters(tabId, frameId);
         }
         break;
 
diff --git a/src/js/ublock.js b/src/js/ublock.js
index d2a891eda..7d98530a9 100644
--- a/src/js/ublock.js
+++ b/src/js/ublock.js
@@ -506,24 +506,14 @@ var matchBucket = function(url, hostname, bucket, start) {
 
 /******************************************************************************/
 
-µBlock.logCosmeticFilters = (function() {
-    var tabIdToTimerMap = new Map();
-
-    var injectNow = function(tabId) {
-        tabIdToTimerMap.delete(tabId);
-        µBlock.scriptlets.injectDeep(tabId, 'cosmetic-logger');
-    };
-
-    var injectAsync = function(tabId) {
-        if ( tabIdToTimerMap.has(tabId) ) { return; }
-        tabIdToTimerMap.set(
-            tabId,
-            vAPI.setTimeout(injectNow.bind(null, tabId), 100)
-        );
-    };
-
-    return injectAsync;
-})();
+µBlock.logCosmeticFilters = function(tabId, frameId) {
+    if ( this.logger.isEnabled() ) {
+        vAPI.tabs.injectScript(tabId, {
+            file: '/js/scriptlets/cosmetic-logger.js',
+            frameId: frameId
+        });
+    }
+};
 
 /******************************************************************************/