diff --git a/apps/fabro-web/app/routes/run-detail.test.ts b/apps/fabro-web/app/routes/run-detail.test.ts
index 93ad4cf3a..2d0ccfa83 100644
--- a/apps/fabro-web/app/routes/run-detail.test.ts
+++ b/apps/fabro-web/app/routes/run-detail.test.ts
@@ -364,7 +364,7 @@ describe("RunDetail full-height child routes", () => {
     expect(outletWrappers).toHaveLength(1);
   });
 
-  test("shows the Files Changed tab badge from run summary diff stats", async () => {
+  test("shows the Diff tab badge from run summary diff stats", async () => {
     const renderer = await renderRunDetail({
       initialEntry: "/runs/run_1/files",
       diffSummary:  {
@@ -403,7 +403,7 @@ describe("RunDetail full-height child routes", () => {
     expect(focusCalls).toEqual(["focus"]);
   });
 
-  test("hides the Files Changed tab badge when diff stats are absent", async () => {
+  test("hides the Diff tab badge when diff stats are absent", async () => {
     const renderer = await renderRunDetail({
       initialEntry: "/runs/run_1/files",
     });
diff --git a/apps/fabro-web/app/routes/run-detail.tsx b/apps/fabro-web/app/routes/run-detail.tsx
index 157cf7d40..b05e6540f 100644
--- a/apps/fabro-web/app/routes/run-detail.tsx
+++ b/apps/fabro-web/app/routes/run-detail.tsx
@@ -61,8 +61,8 @@ import {
 const allTabs = [
   { name: "Overview", path: "", count: null, demoOnly: false },
   { name: "Stages", path: "/stages", count: null, demoOnly: false },
+  { name: "Diff", path: "/files", count: null, demoOnly: false },
   { name: "Terminal", path: "/terminal", count: null, demoOnly: false, requiresSandbox: true },
-  { name: "Files Changed", path: "/files", count: null, demoOnly: false },
   { name: "Billing", path: "/billing", count: null, demoOnly: false },
 ];
 
@@ -192,7 +192,7 @@ export default function RunDetail({ params }: { params: { id: string } }) {
   const hasSandbox = runHasSandbox(runStateQuery.data);
   const tabs = allTabs
     .map((tab) =>
-      tab.name === "Files Changed" ? { ...tab, count: filesCount } : tab,
+      tab.name === "Diff" ? { ...tab, count: filesCount } : tab,
     )
     .filter((t) => (!t.demoOnly || demoMode) && (!t.requiresSandbox || hasSandbox));
   const lifecycleToastStateRef = useRef<LifecycleToastState>(INITIAL_LIFECYCLE_TOAST_STATE);