diff --git a/src/css/popup-fenix.css b/src/css/popup-fenix.css
index 15d9cbbd0..7af6d9420 100644
--- a/src/css/popup-fenix.css
+++ b/src/css/popup-fenix.css
@@ -553,6 +553,14 @@ body:not([data-more~="e"]) [data-more="e"] {
     display: none;
     }
 
+/* popup-in-tab mode, useful for screenshots */
+:root.desktop.intab body {
+    overflow: auto;
+    }
+:root.desktop.intab #firewall {
+    max-height: none;
+    }
+
 /* horizontally-constrained viewport */
 :root.portrait body {
     overflow-y: auto;
diff --git a/src/js/popup-fenix.js b/src/js/popup-fenix.js
index c8f543c58..37e028465 100644
--- a/src/js/popup-fenix.js
+++ b/src/js/popup-fenix.js
@@ -1027,7 +1027,7 @@ uDom('[data-i18n="popupAnyRulePrompt"]').on('click', ev => {
         messaging.send('popupPanel', {
             what: 'gotoURL',
             details: {
-                url: `popup-fenix.html?tabId=${popupData.tabId}`,
+                url: `popup-fenix.html?tabId=${popupData.tabId}&intab=1`,
                 select: true,
                 index: -1,
             },
@@ -1260,6 +1260,9 @@ const getPopupData = async function(tabId) {
                 panes.prepend(sticky);
             }
         }
+        if ( selfURL.searchParams.get('intab') !== null ) {
+            root.classList.add('intab');
+        }
         await nextFrames(1);
         document.body.classList.remove('loading');
     };