diff --git a/plugins/windsurf/plugin.js b/plugins/windsurf/plugin.js
index 1b3e6999..eb167b60 100644
--- a/plugins/windsurf/plugin.js
+++ b/plugins/windsurf/plugin.js
@@ -97,6 +97,7 @@
   function formatDollarsFromMicros(value) {
     var micros = readFiniteNumber(value)
     if (micros === null) return null
+    if (!Number.isFinite(micros)) return null
     if (micros < 0) micros = 0
     return "$" + (micros / 1000000).toFixed(2)
   }
@@ -119,7 +120,6 @@
     return (
       readFiniteNumber(planStatus && planStatus.dailyQuotaRemainingPercent) !== null &&
       readFiniteNumber(planStatus && planStatus.weeklyQuotaRemainingPercent) !== null &&
-      readFiniteNumber(planStatus && planStatus.overageBalanceMicros) !== null &&
       readFiniteNumber(planStatus && planStatus.dailyQuotaResetAtUnix) !== null &&
       readFiniteNumber(planStatus && planStatus.weeklyQuotaResetAtUnix) !== null
     )
@@ -138,20 +138,21 @@
     var weeklyReset = unixSecondsToIso(ctx, planStatus.weeklyQuotaResetAtUnix)
     var extraUsageBalance = formatDollarsFromMicros(planStatus.overageBalanceMicros)
 
-    if (!dailyReset || !weeklyReset || !extraUsageBalance) throw QUOTA_HINT
+    if (!dailyReset || !weeklyReset) throw QUOTA_HINT
 
     var dailyLine = buildQuotaLine(ctx, "Daily quota", planStatus.dailyQuotaRemainingPercent, dailyReset, DAY_MS)
     var weeklyLine = buildQuotaLine(ctx, "Weekly quota", planStatus.weeklyQuotaRemainingPercent, weeklyReset, WEEK_MS)
 
     if (!dailyLine || !weeklyLine) throw QUOTA_HINT
 
+    var lines = [dailyLine, weeklyLine]
+    if (extraUsageBalance) {
+      lines.push(ctx.line.text({ label: "Extra usage balance", value: extraUsageBalance }))
+    }
+
     return {
       plan: planName,
-      lines: [
-        dailyLine,
-        weeklyLine,
-        ctx.line.text({ label: "Extra usage balance", value: extraUsageBalance }),
-      ],
+      lines: lines,
     }
   }
 
diff --git a/plugins/windsurf/plugin.test.js b/plugins/windsurf/plugin.test.js
index 1a4b98d0..49b25b6f 100644
--- a/plugins/windsurf/plugin.test.js
+++ b/plugins/windsurf/plugin.test.js
@@ -276,6 +276,26 @@ describe("windsurf plugin", () => {
     expect(result.lines.find((line) => line.label === "Extra usage balance")?.value).toBe("$0.00")
   })
 
+  it("renders quota lines when Windsurf omits extra usage balance", async () => {
+    const ctx = makeCtx()
+    setupCloudMock(ctx, {
+      stableAuth: "sk-ws-01-stable",
+      stableResponse: {
+        status: 200,
+        bodyText: JSON.stringify(makeQuotaResponse({ overageBalanceMicros: undefined })),
+      },
+    })
+
+    const plugin = await loadPlugin()
+    const result = plugin.probe(ctx)
+
+    expect(result.plan).toBe("Teams")
+    expect(result.lines).toHaveLength(2)
+    expect(result.lines.find((line) => line.label === "Daily quota")?.used).toBe(0)
+    expect(result.lines.find((line) => line.label === "Weekly quota")?.used).toBe(0)
+    expect(result.lines.find((line) => line.label === "Extra usage balance")).toBeUndefined()
+  })
+
   it("falls back to Unknown plan when planInfo is null", async () => {
     const ctx = makeCtx()
     setupCloudMock(ctx, {
@@ -687,7 +707,7 @@ describe("windsurf plugin", () => {
     finiteSpy.mockRestore()
   })
 
-  it("throws quota unavailable when extra usage balance becomes invalid after contract validation", async () => {
+  it("omits extra usage balance when it becomes invalid after contract validation", async () => {
     const ctx = makeCtx()
     const originalTryParseJson = ctx.util.tryParseJson
     ctx.util.tryParseJson = vi.fn((text) => {
@@ -723,7 +743,8 @@ describe("windsurf plugin", () => {
     })
 
     const plugin = await loadPlugin()
-    expect(() => plugin.probe(ctx)).toThrow("Windsurf quota data unavailable. Try again later.")
+    const result = plugin.probe(ctx)
+    expect(result.lines.find((line) => line.label === "Extra usage balance")).toBeUndefined()
     finiteSpy.mockRestore()
   })