diff --git a/src/node/heart.ts b/src/node/heart.ts
index fa4835c24..b78f4edb8 100644
--- a/src/node/heart.ts
+++ b/src/node/heart.ts
@@ -9,9 +9,9 @@ export class Heart {
   private heartbeatTimer?: NodeJS.Timeout
   private heartbeatInterval = 60000
   public lastHeartbeat = 0
-  private readonly _onChange = new Emitter<"alive" | "idle" | "unknown">()
+  private readonly _onChange = new Emitter<"alive" | "expired" | "unknown">()
   readonly onChange = this._onChange.event
-  private state: "alive" | "idle" | "unknown" = "idle"
+  private state: "alive" | "expired" | "unknown" = "expired"
 
   public constructor(
     private readonly heartbeatPath: string,
@@ -54,7 +54,7 @@ export class Heart {
         if (await this.isActive()) {
           this.beat()
         } else {
-          this.setState("idle")
+          this.setState("expired")
         }
       } catch (error: unknown) {
         logger.warn((error as Error).message)
diff --git a/src/node/main.ts b/src/node/main.ts
index 5846b7661..c2d3bd578 100644
--- a/src/node/main.ts
+++ b/src/node/main.ts
@@ -182,7 +182,7 @@ export const runCodeServer = async (
 
     heart.onChange((state) => {
       clearTimeout(idleShutdownTimer)
-      if (state === "idle") {
+      if (state === "expired") {
         startIdleShutdownTimer()
       }
     })
diff --git a/test/unit/node/heart.test.ts b/test/unit/node/heart.test.ts
index 0af7cb9fb..7ad0d2175 100644
--- a/test/unit/node/heart.test.ts
+++ b/test/unit/node/heart.test.ts
@@ -147,7 +147,7 @@ describe("stateChange", () => {
 
     expect(mockOnChange.mock.calls[0][0]).toBe("alive")
   })
-  it.only("should change to idle when not active", async () => {
+  it.only("should change to expired when not active", async () => {
     jest.useFakeTimers()
     heart = new Heart(`${testDir}/shutdown.txt`, () => new Promise((resolve) => resolve(false)))
     const mockOnChange = jest.fn()
@@ -155,7 +155,7 @@ describe("stateChange", () => {
     await heart.beat()
 
     await jest.advanceTimersByTime(60 * 1000)
-    expect(mockOnChange.mock.calls[1][0]).toBe("idle")
+    expect(mockOnChange.mock.calls[1][0]).toBe("expired")
     jest.clearAllTimers()
     jest.useRealTimers()
   })