From eae4ca127105ea95a7019ab158db9e5b868daefc Mon Sep 17 00:00:00 2001
From: Bram Kragten <mail@bramkragten.nl>
Date: Fri, 8 Sep 2023 19:46:40 +0200
Subject: [PATCH] if select has multiple, make init value an array (#17868)

if multiple, make it an array
---
 src/components/ha-form/compute-initial-ha-form-data.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/components/ha-form/compute-initial-ha-form-data.ts b/src/components/ha-form/compute-initial-ha-form-data.ts
index d3c7e2b84708..98b67274fc56 100644
--- a/src/components/ha-form/compute-initial-ha-form-data.ts
+++ b/src/components/ha-form/compute-initial-ha-form-data.ts
@@ -61,8 +61,10 @@ export const computeInitialHaFormData = (
         data[field.name] = selector.number?.min ?? 0;
       } else if ("select" in selector) {
         if (selector.select?.options.length) {
-          const val = selector.select.options[0];
-          data[field.name] = typeof val === "string" ? val : val.value;
+          const firstOption = selector.select.options[0];
+          const val =
+            typeof firstOption === "string" ? firstOption : firstOption.value;
+          data[field.name] = selector.select.multiple ? [val] : val;
         }
       } else if ("duration" in selector) {
         data[field.name] = {