diff --git a/packages/app/src/screens/workspace/compact-workspace-header/tab-switcher.tsx b/packages/app/src/screens/workspace/compact-workspace-header/tab-switcher.tsx
index 737e92b4c2..115acde191 100644
--- a/packages/app/src/screens/workspace/compact-workspace-header/tab-switcher.tsx
+++ b/packages/app/src/screens/workspace/compact-workspace-header/tab-switcher.tsx
@@ -1,3 +1,4 @@
+import { workspaceTabSwitcherPopoverLayout } from "../workspace-tab-layout";
 import { memo, useCallback, useMemo, useRef, useState } from "react";
 import { Keyboard, Pressable, Text, View } from "react-native";
 import { useTranslation } from "react-i18next";
@@ -456,6 +457,7 @@ export const MobileWorkspaceTabSwitcher = memo(function MobileWorkspaceTabSwitch
       </Pressable>
 
       <Combobox
+        {...workspaceTabSwitcherPopoverLayout}
         options={tabSwitcherOptions}
         value={activeTabKey}
         onSelect={onSelectSwitcherTab}
diff --git a/packages/app/src/screens/workspace/workspace-tab-layout.test.ts b/packages/app/src/screens/workspace/workspace-tab-layout.test.ts
index afc5275a46..9b428bc0bc 100644
--- a/packages/app/src/screens/workspace/workspace-tab-layout.test.ts
+++ b/packages/app/src/screens/workspace/workspace-tab-layout.test.ts
@@ -1,3 +1,4 @@
+import { buildDesktopFrameStyle } from "@/components/ui/combobox-frame-style";
 import {
   WorkspaceHeaderExplorerToggle,
   WorkspaceExplorerSidebarToggle,
@@ -7,6 +8,7 @@ import { SidebarCloseButton } from "@/components/headers/sidebar-close-button";
 import { resolveWorkspaceTabChipBackdrop } from "@/screens/workspace/workspace-tab-chip-backdrop";
 import { darkPureBlackTheme, darkTheme, lightTheme } from "@/styles/theme";
 import {
+  workspaceTabSwitcherPopoverLayout,
   selectWorkspaceChrome,
   computeWorkspaceTabLayout,
   retainWorkspaceTabMeasuredWidth,
@@ -278,3 +280,16 @@ describe("desktop pane chrome", () => {
     expect(selectWorkspaceChrome({ width: null, compact: "pane dropdown", full })).toBe(full);
   });
 });
+
+it("gives the tab switcher a readable popover width independent of its 16pt count badge", () => {
+  const frame = buildDesktopFrameStyle({
+    desktopMinWidth: workspaceTabSwitcherPopoverLayout.desktopMinWidth,
+    desktopLockWidth: false,
+    referenceWidth: 16,
+    desktopFixedHeight: undefined,
+    desktopPositionStyle: {},
+    shouldHideDesktopContent: false,
+    availableHeight: 600,
+  }) as Array<{ minWidth?: number }>;
+  expect(frame[0].minWidth).toBeGreaterThanOrEqual(320);
+});
diff --git a/packages/app/src/screens/workspace/workspace-tab-layout.ts b/packages/app/src/screens/workspace/workspace-tab-layout.ts
index 137a6f7b7b..2a9ec47837 100644
--- a/packages/app/src/screens/workspace/workspace-tab-layout.ts
+++ b/packages/app/src/screens/workspace/workspace-tab-layout.ts
@@ -135,3 +135,7 @@ export function selectWorkspaceChrome<Compact, Full>(input: {
   const compact = input.width !== null && shouldUseCompactWorkspaceHeader(input.width);
   return compact ? input.compact : input.full;
 }
+
+// A count badge is only 16pt wide. Native popovers need a content width floor
+// because their scrolling tab list does not contribute an intrinsic width.
+export const workspaceTabSwitcherPopoverLayout = { desktopMinWidth: 320 } as const;