From 5c8ee735c3ca02e8092b9f4ec335bb4ff24425e5 Mon Sep 17 00:00:00 2001
From: dhoeben <douwehoeben@gmail.com>
Date: Sun, 28 Dec 2025 12:08:02 +0100
Subject: [PATCH] Changed mode_s default

---
 esphome/components/web_server/web_server.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp
index fec61e25a0..ba70a331d8 100644
--- a/esphome/components/web_server/web_server.cpp
+++ b/esphome/components/web_server/web_server.cpp
@@ -1732,7 +1732,7 @@ std::string WebServer::water_heater_json(water_heater::WaterHeater *obj, JsonDet
   JsonObject root = builder.root();
 
   const auto mode = obj->get_mode();
-  const char *mode_s = "UNKNOWN";
+  const char *mode_s;
 
   switch (mode) {
     case water_heater::WATER_HEATER_MODE_OFF:
@@ -1756,6 +1756,9 @@ std::string WebServer::water_heater_json(water_heater::WaterHeater *obj, JsonDet
     case water_heater::WATER_HEATER_MODE_GAS:
       mode_s = "GAS";
       break;
+    default:
+      mode_s = "UNKNOWN";
+      break;
   }
 
   set_json_icon_state_value(root, obj, "water-heater", mode_s, mode, start_config);