diff --git a/config.go b/config.go
index 923ad4a..0fb369a 100644
--- a/config.go
+++ b/config.go
@@ -146,5 +146,11 @@ func loadJSONConfig() jsonConfig {
 		def.MockSlippagePct = cfg.MockSlippagePct
 	}
 
+	// Boolean fields: zero default is false, so use OR logic
+	// When JSON has true → true || false = true (override)
+	// When JSON has false → false || false = false (keep default)
+	def.TestMode = cfg.TestMode || def.TestMode
+	def.TradeEnabled = cfg.TradeEnabled || def.TradeEnabled
+
 	return def
 }