diff --git a/packages/opencode/src/config/config.ts b/packages/opencode/src/config/config.ts
index 96af60dfee2..22362775af7 100644
--- a/packages/opencode/src/config/config.ts
+++ b/packages/opencode/src/config/config.ts
@@ -1050,6 +1050,7 @@ const layer = Layer.effect(
 
     const invalidate = Effect.fn("Config.invalidate")(function* () {
       yield* invalidateGlobal
+      yield* InstanceState.invalidate(state).pipe(Effect.catchCause(() => Effect.void)) // kilocode_change
     })
 
     // kilocode_change start - add dispose option to skip Instance.disposeAll for permission-only changes
diff --git a/packages/opencode/test/kilocode/server/config-overlay.test.ts b/packages/opencode/test/kilocode/server/config-overlay.test.ts
index d74c96e5006..b72bbafd7f0 100644
--- a/packages/opencode/test/kilocode/server/config-overlay.test.ts
+++ b/packages/opencode/test/kilocode/server/config-overlay.test.ts
@@ -774,7 +774,7 @@ describe("config overlay routes", () => {
       for (let i = 0; i < 40; i++) {
         await json(await req(project.path, `/session/${session.id}/sandbox`))
         const snap = await SandboxStore.read(project.path, session.id)
-        if (snap && snap.mode === "allow" && snap.version === 1) break
+        if (snap && snap.mode === "allow" && snap.writablePaths.includes(writable.path) && snap.version === 1) break
         await Bun.sleep(250)
       }