From cbb98c40502be70cb50ffa8ae741dc18be324f3c Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sun, 9 Nov 2025 16:27:56 -0600
Subject: [PATCH] [bl0940] Fix calibration number preference hash for
 multi-device configs (#11769)

---
 esphome/components/bl0940/number/calibration_number.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/esphome/components/bl0940/number/calibration_number.cpp b/esphome/components/bl0940/number/calibration_number.cpp
index cdb26cd29..e83c3add1 100644
--- a/esphome/components/bl0940/number/calibration_number.cpp
+++ b/esphome/components/bl0940/number/calibration_number.cpp
@@ -9,7 +9,7 @@ static const char *const TAG = "bl0940.number";
 void CalibrationNumber::setup() {
   float value = 0.0f;
   if (this->restore_value_) {
-    this->pref_ = global_preferences->make_preference<float>(this->get_object_id_hash());
+    this->pref_ = global_preferences->make_preference<float>(this->get_preference_hash());
     if (!this->pref_.load(&value)) {
       value = 0.0f;
     }