From 5c95fa65dd7d1f5dc8330f9d3e793ebeb17faae8 Mon Sep 17 00:00:00 2001
From: Florian Schweikert <kelvan@ist-total.org>
Date: Mon, 16 Feb 2026 13:45:16 +0100
Subject: [PATCH] Allow to start typing -0 in float field (#29665)

Prevent replacing "-0" with "0" while typing
---
 src/components/ha-form/ha-form-float.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/components/ha-form/ha-form-float.ts b/src/components/ha-form/ha-form-float.ts
index 5518c48158..8983e027f4 100644
--- a/src/components/ha-form/ha-form-float.ts
+++ b/src/components/ha-form/ha-form-float.ts
@@ -76,6 +76,11 @@ export class HaFormFloat extends LitElement implements HaFormElement {
       return;
     }
 
+    // Allow user to start typing a negative zero
+    if (rawValue === "-0") {
+      return;
+    }
+
     if (rawValue !== "") {
       value = parseFloat(rawValue);
       if (isNaN(value)) {