From f81e04b0366732793e718d3745d700969b02dd50 Mon Sep 17 00:00:00 2001 From: KamilCuk Date: Mon, 16 Mar 2026 22:30:31 +0100 Subject: [PATCH] [web_server] Fix wrong printf format specifier (#14836) --- esphome/components/web_server/web_server.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/esphome/components/web_server/web_server.cpp b/esphome/components/web_server/web_server.cpp index 4083019643..1dda6204fe 100644 --- a/esphome/components/web_server/web_server.cpp +++ b/esphome/components/web_server/web_server.cpp @@ -415,7 +415,7 @@ void WebServer::setup() { this->set_interval(10000, [this]() { char buf[32]; auto uptime = static_cast(millis_64() / 1000); - buf_append_printf(buf, sizeof(buf), 0, "{\"uptime\":%u}", uptime); + buf_append_printf(buf, sizeof(buf), 0, "{\"uptime\":%" PRIu32 "}", uptime); this->events_.try_send_nodefer(buf, "ping", millis(), 30000); }); }