diff --git a/src/js/pagestore.js b/src/js/pagestore.js
index a9dff032b..fa6805bf9 100644
--- a/src/js/pagestore.js
+++ b/src/js/pagestore.js
@@ -95,6 +95,7 @@ NetFilteringResultCache.prototype.rememberResult = function(
     result,
     logData
 ) {
+    if ( fctxt.tabId <= 0 ) { return; }
     if ( this.results.size === 0 ) {
         this.pruneAsync();
     }
@@ -113,6 +114,7 @@ NetFilteringResultCache.prototype.rememberResult = function(
 /******************************************************************************/
 
 NetFilteringResultCache.prototype.rememberBlock = function(fctxt) {
+    if ( fctxt.tabId <= 0 ) { return; }
     if ( this.blocked.size === 0 ) {
         this.pruneAsync();
     }
diff --git a/src/js/traffic.js b/src/js/traffic.js
index a6c7283f7..355f1a30b 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -283,7 +283,14 @@ const onBeforeBehindTheSceneRequest = function(fctxt) {
 
     let result = 0;
 
+    // https://github.com/uBlockOrigin/uBlock-issues/issues/339
+    //   Need to also test against `-scheme` since tabOrigin is normalized.
+    //   Not especially elegant but for now this accomplishes the purpose of
+    //   not dealing with network requests fired from a synthetic scope,
+    //   that is unless advanced user mode is enabled.
+
     if (
+        fctxt.tabOrigin.endsWith('-scheme') === false &&
         µb.URI.isNetworkURI(fctxt.tabOrigin) ||
         µb.userSettings.advancedUserEnabled ||
         fctxt.type === 'csp_report'
@@ -303,8 +310,6 @@ const onBeforeBehindTheSceneRequest = function(fctxt) {
         }
     }
 
-    pageStore.journalAddRequest(fctxt.getHostname(), result);
-
     if ( µb.logger.enabled ) {
         fctxt.setRealm('net').toLogger();
     }
diff --git a/src/logger-ui.html b/src/logger-ui.html
index 5a01029f5..25c4cbf32 100644
--- a/src/logger-ui.html
+++ b/src/logger-ui.html
@@ -19,7 +19,7 @@
         </select>
         <span id="refresh" class="button fa disabled needdom">&#xf021;</span>
         <span id="showdom" class="button fa disabled needdom">&#xf121;</span>
-        <span id="showpopup" class="button disabled needscope"><img src="/img/icon_64.png"></span>
+        <span id="showpopup" class="button disabled needdom"><img src="/img/icon_64.png"></span>
     </div>
 </div>