diff --git a/lib/stream.js b/lib/stream.js
index cb6bc1f..f06378b 100644
--- a/lib/stream.js
+++ b/lib/stream.js
@@ -208,8 +208,7 @@ class SyncStream extends Pipeable {
     this.#remoteHave.set(id, remoteHaveRange)
     this.#remoteWant.set(id, remoteWantRange)
     const goal = this.#goals.get(id)
-    const haveRange = this.#localHave.get(id)
-    if (!haveRange) throw new Error(`Local have-range not set for ${id}`)
+    const haveRange = this.#localHave.get(id) ?? [-1, -1]
     const localWant = await this.#algo.wantRange(haveRange, remoteHaveRange, goal)
     this.#localWant.set(id, localWant)
     const localBloom0 = await this.#algo.bloomFor(id, 0, localWant)