diff --git a/src/js/pagestore.js b/src/js/pagestore.js
index a8cb32dbd..d01b54a8d 100644
--- a/src/js/pagestore.js
+++ b/src/js/pagestore.js
@@ -713,9 +713,10 @@ PageStore.prototype.logRequest = function(context, result) {
     if ( requestHostname === '' ) {
         requestHostname = context.pageHostname;
     }
+    var now = Date.now();
     if ( this.hostnameToCountMap.hasOwnProperty(requestHostname) === false ) {
         this.hostnameToCountMap[requestHostname] = 0;
-        this.contentLastModified = Date.now();
+        this.contentLastModified = now;
     }
     var c = result.charAt(1);
     if ( c === '' || c === 'a' ) {
@@ -727,6 +728,7 @@ PageStore.prototype.logRequest = function(context, result) {
         this.perLoadBlockedRequestCount++;
         µb.localSettings.blockedRequestCount++;
     }
+    this.localSettingsModifyTime = now;
     this.logBuffer.writeOne(context, result);
 };
 
diff --git a/src/js/storage.js b/src/js/storage.js
index beb3edeed..32142efad 100644
--- a/src/js/storage.js
+++ b/src/js/storage.js
@@ -38,6 +38,11 @@
     if ( typeof callback !== 'function' ) {
         callback = this.noopFunc;
     }
+    if ( this.localSettingsModifyTime <= this.localSettingsSaveTime ) {
+        callback();
+        return;
+    }
+    this.localSettingsSaveTime = Date.now();
     vAPI.storage.set(this.localSettings, callback);
 };