From 95a7356ea08e7ba3a9c577b40339c1d7df1dda50 Mon Sep 17 00:00:00 2001
From: tomaszduda23 <tomaszduda23@gmail.com>
Date: Sat, 3 Jan 2026 10:43:17 +0100
Subject: [PATCH] [uart] make sure that all variables are initialized (#12823)

---
 esphome/components/uart/uart_component.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/esphome/components/uart/uart_component.h b/esphome/components/uart/uart_component.h
index fd528e228f..ea6e1562f4 100644
--- a/esphome/components/uart/uart_component.h
+++ b/esphome/components/uart/uart_component.h
@@ -189,10 +189,10 @@ class UARTComponent {
   size_t rx_buffer_size_;
   size_t rx_full_threshold_{1};
   size_t rx_timeout_{0};
-  uint32_t baud_rate_;
-  uint8_t stop_bits_;
-  uint8_t data_bits_;
-  UARTParityOptions parity_;
+  uint32_t baud_rate_{0};
+  uint8_t stop_bits_{0};
+  uint8_t data_bits_{0};
+  UARTParityOptions parity_{UART_CONFIG_PARITY_NONE};
 #ifdef USE_UART_DEBUGGER
   CallbackManager<void(UARTDirection, uint8_t)> debug_callback_{};
 #endif