diff --git a/include/BLE.cpp b/include/BLE.cpp
index a6e48aa..bcf6b6c 100644
--- a/include/BLE.cpp
+++ b/include/BLE.cpp
@@ -122,7 +122,7 @@ bool BLEtick(NimBLEAdvertising* pAdvertising) {
     if (!scanBlock) {
       scanBlock = true;
       printf("Scanning WiFi...\n");
-      scanAndUpdateSSIDList();
+      bmWiFi.scanAndUpdateSSIDList();
     }
     else printf("Duplicate scan request\n");
   }
@@ -233,7 +233,7 @@ void reset() {
   tokenGiven = false;
 }
 
-void onConnect(NimBLEServer* pServer, NimBLEConnInfo& connInfo) {
+void MyServerCallbacks::onConnect(NimBLEServer* pServer, NimBLEConnInfo& connInfo) {
   isBLEClientConnected = true;
   printf("Client connected\n");
   reset();
@@ -245,6 +245,10 @@ void MyServerCallbacks::onDisconnect(NimBLEServer* pServer, NimBLEConnInfo& conn
   reset();
 }
 
+void MyCharCallbacks::onRead(NimBLECharacteristic* pChar, NimBLEConnInfo& connInfo) {
+  printf("Characteristic Read\n");
+}
+
 void MyCharCallbacks::onWrite(NimBLECharacteristic* pChar, NimBLEConnInfo& connInfo) {
     std::string val = pChar->getValue();
     std::string uuidStr = pChar->getUUID().toString();
diff --git a/include/BLE.hpp b/include/BLE.hpp
index b88bca2..b5f317f 100644
--- a/include/BLE.hpp
+++ b/include/BLE.hpp
@@ -10,7 +10,7 @@
 // Global pointers to characteristics for notification support
 extern NimBLECharacteristic* ssidListChar;
 extern NimBLECharacteristic* ssidRefreshChar;
-extern std::atomic<bool> isBLEClientConnected{false};
+extern std::atomic<bool> isBLEClientConnected;
 
 class MyServerCallbacks : public NimBLEServerCallbacks {
   void onConnect(NimBLEServer* pServer, NimBLEConnInfo& connInfo);
diff --git a/include/WiFi.cpp b/include/WiFi.cpp
index d75f893..aadb68c 100644
--- a/include/WiFi.cpp
+++ b/include/WiFi.cpp
@@ -232,7 +232,7 @@ void WiFi::processScanResults() {
 
   // 5. Update BLE
   if (ssidListChar != nullptr) {
-    ssidListChar->setValue(json_string);
+    ssidListChar->setValue(std::string(json_string));
     ssidRefreshChar->setValue("Ready");
     ssidRefreshChar->notify();
   }
diff --git a/include/WiFi.hpp b/include/WiFi.hpp
index 353a999..e6c1705 100644
--- a/include/WiFi.hpp
+++ b/include/WiFi.hpp
@@ -3,6 +3,7 @@
 
 #include "esp_wifi.h"
 #include <string>
+#include <atomic>
 
 class WiFi {
   public: