From fac866138b7ef7d70e83f40f228ae447115aa92b Mon Sep 17 00:00:00 2001
From: wit liu <765765346@qq.com>
Date: Thu, 4 Dec 2025 13:02:10 +0800
Subject: [PATCH] cmd/utils: fix disabling cache preimages through config file
 #33330 (#1837)

---
 cmd/utils/flags.go | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 07526c69e9..60789900fd 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -1509,8 +1509,9 @@ func SetEthConfig(ctx *cli.Context, stack *node.Node, cfg *ethconfig.Config) {
 	}
 	cfg.NoPruning = ctx.String(GCModeFlag.Name) == "archive"
 	cfg.Prefetch = ctx.Bool(CachePrefetchFlag.Name)
-	// Read the value from the flag no matter if it's set or not.
-	cfg.Preimages = ctx.Bool(CachePreimagesFlag.Name)
+	if ctx.IsSet(CachePreimagesFlag.Name) {
+		cfg.Preimages = ctx.Bool(CachePreimagesFlag.Name)
+	}
 	if cfg.NoPruning && !cfg.Preimages {
 		cfg.Preimages = true
 		log.Info("Enabling recording of key preimages since archive mode is used")