diff --git a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
index 4b057e3d2..861ba1f81 100644
--- a/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
+++ b/src/browser/components/customizableui/CustomizableUI-sys-mjs.patch
@@ -1,5 +1,5 @@
 diff --git a/browser/components/customizableui/CustomizableUI.sys.mjs b/browser/components/customizableui/CustomizableUI.sys.mjs
-index 5905271a3343efa04b45f5d1a63bfca3de342755..af76922c1ba0b35a0072ec044f7d0860f9295d9d 100644
+index 5905271a3343efa04b45f5d1a63bfca3de342755..37f57de0ad72271d4c6e188ab9841b23b95f08d0 100644
 --- a/browser/components/customizableui/CustomizableUI.sys.mjs
 +++ b/browser/components/customizableui/CustomizableUI.sys.mjs
 @@ -13,6 +13,7 @@ ChromeUtils.defineESModuleGetters(lazy, {
@@ -195,7 +195,7 @@ index 5905271a3343efa04b45f5d1a63bfca3de342755..af76922c1ba0b35a0072ec044f7d0860
 +        win.gZenVerticalTabsManager._hasSetSingleToolbar &&
 +        Services.prefs.getBoolPref("zen.view.overflow-webext-toolbar", true) &&
 +       !win.gURLBar.hasAttribute("breakout-extend")) {
-+      const availSelectors = ":is(#page-action-buttons, #zen-copy-url-button, .unified-extensions-item)";
++      const availSelectors = ":is(#page-action-buttons, #zen-copy-url-button, .unified-extensions-item, .urlbar-addon-page-action)";
 +      const width = [
 +        ...win.gURLBar._inputContainer.querySelectorAll(availSelectors),
 +        ...win.document.getElementById("zen-overflow-extensions-list").querySelectorAll(availSelectors)
diff --git a/src/zen/common/styles/zen-theme.css b/src/zen/common/styles/zen-theme.css
index 1c6571ab3..815dd2a34 100644
--- a/src/zen/common/styles/zen-theme.css
+++ b/src/zen/common/styles/zen-theme.css
@@ -167,7 +167,7 @@
   --toolbarbutton-hover-background: var(--zen-toolbar-element-bg-hover) !important;
   --zen-toolbar-button-size: 16px;
   @media (-moz-platform: macos) {
-    --zen-toolbar-button-size: 18px;
+    --zen-toolbar-button-size: 17px;
   }
 
   /* Using a semitransparent background preserves the tinting from the backdrop.
diff --git a/src/zen/common/zenThemeModifier.js b/src/zen/common/zenThemeModifier.js
index d3e70d28f..30f2a42ce 100644
--- a/src/zen/common/zenThemeModifier.js
+++ b/src/zen/common/zenThemeModifier.js
@@ -170,7 +170,7 @@
         document.documentElement.removeAttribute("zen-no-padding");
         if (domFullscreen) {
           const selectedBrowser = gBrowser.selectedBrowser;
-          selectedBrowser.style.paddingRight = "env(hairline)";
+          selectedBrowser.style.paddingRight = "0.5px";
           window.addEventListener(
             "MozAfterPaint",
             () => {