diff --git a/desktop/tests/e2e/mentions.spec.ts b/desktop/tests/e2e/mentions.spec.ts
index 820b1f2ab1..4296e479be 100644
--- a/desktop/tests/e2e/mentions.spec.ts
+++ b/desktop/tests/e2e/mentions.spec.ts
@@ -477,7 +477,7 @@ test("thread autocomplete keeps multiple long names readable in a narrow panel",
   });
   await page.setViewportSize({ width: 900, height: 640 });
   await page.addInitScript(() => {
-    window.sessionStorage.setItem("buzz.desktop.thread-panel-width", "300");
+    window.localStorage.setItem("buzz.desktop.thread-panel-width", "300");
   });
   await page.goto("/");
   await page.getByTestId("channel-general").click();
diff --git a/desktop/tests/e2e/messaging.spec.ts b/desktop/tests/e2e/messaging.spec.ts
index 9a93086cf8..031faad34c 100644
--- a/desktop/tests/e2e/messaging.spec.ts
+++ b/desktop/tests/e2e/messaging.spec.ts
@@ -2638,14 +2638,14 @@ test("opens a single-level thread panel with inline expansion", async ({
   ).toHaveCount(0);
 });
 
-test("thread panel width uses session storage and reset handle", async ({
+test("thread panel width uses local storage and reset handle", async ({
   page,
 }) => {
   const customWidthPx = 520;
   const defaultWidthPx = 380;
 
   await page.addInitScript((width) => {
-    window.sessionStorage.setItem(
+    window.localStorage.setItem(
       "buzz.desktop.thread-panel-width",
       String(width),
     );
diff --git a/desktop/tests/e2e/threadpane-ultrawide.spec.ts b/desktop/tests/e2e/threadpane-ultrawide.spec.ts
index 1c52515630..2c0bd1341d 100644
--- a/desktop/tests/e2e/threadpane-ultrawide.spec.ts
+++ b/desktop/tests/e2e/threadpane-ultrawide.spec.ts
@@ -144,7 +144,7 @@ test.describe("thread pane on ultrawide monitors", () => {
       Math.round(element.getBoundingClientRect().width),
     );
     const storedWidth = await page.evaluate(() =>
-      Number(window.sessionStorage.getItem("buzz.desktop.thread-panel-width")),
+      Number(window.localStorage.getItem("buzz.desktop.thread-panel-width")),
     );
     const mainWidth = await page
       .getByTestId("channel-drop-zone")