diff --git a/include/persistent_data.hpp b/include/persistent_data.hpp
index fb22977..afd2dc0 100644
--- a/include/persistent_data.hpp
+++ b/include/persistent_data.hpp
@@ -267,7 +267,7 @@
         authConfig["BasicAuth"] = c.basic;
         authConfig["TLS"] = c.tls;
         authConfig["TLSStrict"] = c.tlsStrict;
-        authConfig["TLSCommonNameParseMode"] =
+        authConfig["MTLSCommonNameParseMode"] =
             static_cast<int>(c.mTLSCommonNameParsingMode);
 
         nlohmann::json& eventserviceConfig = data["eventservice_config"];