diff --git a/platform/chromium/manifest.json b/platform/chromium/manifest.json
index 3d18ee6ba..6f6ac6090 100644
--- a/platform/chromium/manifest.json
+++ b/platform/chromium/manifest.json
@@ -2,7 +2,7 @@
     "manifest_version": 2,
 
     "name": "uBlock",
-    "version": "0.9.1.0",
+    "version": "0.9.1.1",
 
     "default_locale": "en",
     "description": "__MSG_extShortDesc__",
diff --git a/src/js/traffic.js b/src/js/traffic.js
index 7fbc606c8..5549d5b8d 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -35,6 +35,7 @@
 // This is to be used as last-resort fallback in case a tab is found to not
 // be bound while network requests are fired for the tab.
 
+var mostRecentRootDocURLTimestamp = 0;
 var mostRecentRootDocURL = '';
 
 /******************************************************************************/
@@ -63,6 +64,7 @@ var onBeforeRequest = function(details) {
             pageStore.logRequest(pageStore, '');
         }
         mostRecentRootDocURL = requestURL;
+        mostRecentRootDocURLTimestamp = Date.now();
         return;
     }
 
@@ -76,6 +78,13 @@ var onBeforeRequest = function(details) {
     // Lookup the page store associated with this tab id.
     pageStore = µb.pageStoreFromTabId(tabId);
     if ( !pageStore ) {
+        // https://github.com/gorhill/uBlock/issues/1025
+        // Google Hangout popup opens without a root frame. So for now we will
+        // just discard that best-guess root frame if it is too far in the
+        // future, at which point it ceases to be a "best guess".
+        if ( (Date.now() - mostRecentRootDocURLTimestamp) >= 500 ) {
+            mostRecentRootDocURL = '';
+        }
         // https://github.com/gorhill/uBlock/issues/1001
         // Not a behind-the-scene request, yet no page store found for the
         // tab id: we will thus bind the last-seen root document to the
@@ -147,7 +156,7 @@ var onBeforeRequest = function(details) {
     }
 
     // Blocked
-    //console.debug('traffic.js > onBeforeRequest(): BLOCK "%s" (%o) because "%s"', details.url, details, result);
+    console.debug('traffic.js > onBeforeRequest(): BLOCK "%s" (%o) because "%s"', details.url, details, result);
 
     pageStore.logRequest(requestContext, result);
 
@@ -199,7 +208,7 @@ var onBeforeBehindTheSceneRequest = function(details) {
     }
 
     // Blocked
-    //console.debug('traffic.js > onBeforeBehindTheSceneRequest(): BLOCK "%s" (%o) because "%s"', details.url, details, result);
+    console.debug('traffic.js > onBeforeBehindTheSceneRequest(): BLOCK "%s" (%o) because "%s"', details.url, details, result);
 
     return { 'cancel': true };
 };