From 8a8c310396b9b6ae9274d988e188421d82bddc4c Mon Sep 17 00:00:00 2001
From: Tommy Smith <tommy@weaviate.io>
Date: Tue, 16 Sep 2025 13:55:45 +0100
Subject: [PATCH] Assert alpha is not undefined to avoid falsey on alpha=0

---
 src/collections/serialize/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/collections/serialize/index.ts b/src/collections/serialize/index.ts
index bd1a834f..815c8b50 100644
--- a/src/collections/serialize/index.ts
+++ b/src/collections/serialize/index.ts
@@ -1082,7 +1082,7 @@ export class Serialize {
       await Serialize.hybridVector(args);
     return Hybrid.fromPartial({
       query: args.query,
-      alpha: args.alpha ? args.alpha : 0.5,
+      alpha: args.alpha !== undefined ? args.alpha : 0.5,
       properties: this.bm25QueryProperties(args.queryProperties),
       vectorBytes: vectorBytes,
       vectorDistance: args.maxVectorDistance,