diff --git a/packages/signals/package.json b/packages/signals/package.json
index 7acaa7d..6d94cf0 100644
--- a/packages/signals/package.json
+++ b/packages/signals/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@holochain-open-dev/signals",
-	"version": "0.300.3",
+	"version": "0.300.4",
 	"description": "Holochain async-signals to build reusable holochain-open-dev modules",
 	"author": "guillem.cordoba@gmail.com",
 	"main": "dist/index.js",
diff --git a/packages/signals/src/holochain.ts b/packages/signals/src/holochain.ts
index 1a01222..c44816d 100644
--- a/packages/signals/src/holochain.ts
+++ b/packages/signals/src/holochain.ts
@@ -431,7 +431,7 @@ export function deletesForEntrySignal<
 >(
 	client: ZomeClient<S>,
 	originalActionHash: ActionHash,
-	fetchDeletes: () => Promise<Array<SignedActionHashed<Delete>>>,
+	fetchDeletes: () => Promise<Array<SignedActionHashed<Delete>> | undefined>,
 	pollIntervalMs: number = DEFAULT_POLL_INTERVAL_MS,
 ): AsyncSignal<Array<SignedActionHashed<Delete>>> {
 	let active = false;