diff --git a/core/src/config.cpp b/core/src/config.cpp
index 911376c4..b934b054 100644
--- a/core/src/config.cpp
+++ b/core/src/config.cpp
@@ -56,7 +56,7 @@ void ConfigManager::enableAutoSave() {
 void ConfigManager::disableAutoSave() {
     if (autoSaveEnabled) {
         {
-            std::unique_lock<std::mutex> lock(termMtx);
+            std::lock_guard<std::mutex> lock(termMtx);
             autoSaveEnabled = false;
             termFlag = true;
             termCond.notify_one();