From 5f83c186ee5b6b5c208f7ba678eed8ef68ea1ad4 Mon Sep 17 00:00:00 2001
From: mengchaoheng <chaohengmeng@163.com>
Date: Tue, 6 Jan 2026 22:22:40 +0800
Subject: [PATCH] Checks for identical parameter changes

---
 src/lib/parameters/parameters.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/parameters/parameters.cpp b/src/lib/parameters/parameters.cpp
index 560d6eec82..772a5c2a9e 100644
--- a/src/lib/parameters/parameters.cpp
+++ b/src/lib/parameters/parameters.cpp
@@ -438,7 +438,7 @@ param_set_internal(param_t param, const void *val, bool mark_saved, bool notify_
 	}
 
 	if (user_config.store(param, new_value)) {
-		params_unsaved.set(param, !mark_saved);
+		params_unsaved.set(param, !mark_saved && param_changed);
 		result = PX4_OK;
 
 	} else {