diff --git a/src/main.cpp b/src/main.cpp
index 4eda40c..16acb4a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -95,8 +95,12 @@ class ServerResources {
         }
     }
 
-    static void doTerminalUpgrade() {
-        system(UPGRADE_COMMAND);
+    void doTerminalUpgrade() const {
+        api->executeInApi([](TSID sid) {
+            CP_SetDmaDebug(sid, "begin_save_config", "");
+            system(UPGRADE_COMMAND);
+            CP_SetDmaDebug(sid, "save_config", "");
+        });
     }
 
 public:
diff --git a/src/terminal_api_driver.cpp b/src/terminal_api_driver.cpp
index 63a3185..367a57d 100644
--- a/src/terminal_api_driver.cpp
+++ b/src/terminal_api_driver.cpp
@@ -100,8 +100,6 @@ public:
  */
 class api_driver::TerminalApiDaemon {
 private:
-    TSID sid;
-    boost::thread daemon;
 
     void updateFirmwareSettings() {
         std::string version, chip_id, sn, mac0, mac1;
@@ -286,8 +284,6 @@ private:
         }
     }
 
-    std::mutex cpApiMutex;
-
     std::shared_mutex firmwareMutex;
     TerminalFirmwareVersion firmware;
 
@@ -311,6 +307,10 @@ private:
     std::string qosClassesJson;
 
 public:
+    std::mutex cpApiMutex;
+    TSID sid;
+    boost::thread daemon;
+
     explicit TerminalApiDaemon(TSID sid): sid(sid), daemon([this]() { this->run(); }), qosEnabled(false) {
         this->qosClassesJson = DEFAULT_QOS_CLASSES;
     }
@@ -892,6 +892,15 @@ void api_driver::ApiDriver::resetDefaultSettings() {
     daemon->resetDefaultSettings();
 }
 
+void api_driver::ApiDriver::executeInApi(const std::function<void(TSID sid)>& callback) {
+    try {
+        std::lock_guard lock(this->daemon->cpApiMutex);
+        callback(this->daemon->sid);
+    } catch (std::exception& e) {
+        BOOST_LOG_TRIVIAL(error) << "ApiDriver::executeInApi(): failed to exec with error: " << e.what();
+    }
+}
+
 bool api_driver::ApiDriver::getIsCinC() const {
     modulator_settings s{};
     daemon->getSettings(&s, nullptr, nullptr, nullptr, nullptr);
diff --git a/src/terminal_api_driver.h b/src/terminal_api_driver.h
index 60db10a..15d4706 100644
--- a/src/terminal_api_driver.h
+++ b/src/terminal_api_driver.h
@@ -67,6 +67,8 @@ namespace api_driver {
 
         void resetDefaultSettings();
 
+        void executeInApi(const std::function<void(TSID sid)>& callback);
+
         ~ApiDriver();
 
     private: