diff --git a/apps/web/src/components/RightPanelTabs.tsx b/apps/web/src/components/RightPanelTabs.tsx
index ead306f7c90..cf0263f81bd 100644
--- a/apps/web/src/components/RightPanelTabs.tsx
+++ b/apps/web/src/components/RightPanelTabs.tsx
@@ -20,6 +20,7 @@ import { Menu, MenuItem, MenuPopup, MenuTrigger } from "~/components/ui/menu";
 import { ScrollArea } from "~/components/ui/scroll-area";
 import { faviconUrlForOrigin } from "~/lib/favicon";
 import { useTheme } from "~/hooks/useTheme";
+import { COLLAPSED_SIDEBAR_TITLEBAR_INSET_CLASS } from "~/workspaceTitlebar";
 
 import { PreviewPanelShell, type PreviewPanelMode } from "./preview/PreviewPanelShell";
 import { PierreEntryIcon } from "./chat/PierreEntryIcon";
@@ -346,6 +347,7 @@ export function RightPanelTabs(props: RightPanelTabsProps) {
           "workspace-topbar gap-1 pl-2",
           props.mode === "inline" ? "pr-28" : "pr-3",
           ownsDesktopTitleBar && "wco:pr-[calc(var(--workspace-native-controls-inset)+6rem)]",
+          props.mode === "inline" && props.maximized && COLLAPSED_SIDEBAR_TITLEBAR_INSET_CLASS,
         )}
         data-right-panel-tabbar
       >