diff --git a/lib_standalone/Arduino.h b/lib_standalone/Arduino.h
index 306a0eb44..83a93a166 100644
--- a/lib_standalone/Arduino.h
+++ b/lib_standalone/Arduino.h
@@ -24,6 +24,7 @@
 #include <cstdint>
 #include <cstring>
 #include <string>
+#include <math.h>
 
 #include <algorithm> // for count_if
 
@@ -187,4 +188,6 @@ void yield(void);
 void setup(void);
 void loop(void);
 
+
+
 #endif
diff --git a/lib_standalone/ESP8266React.h b/lib_standalone/ESP8266React.h
index 34552fa01..b19417273 100644
--- a/lib_standalone/ESP8266React.h
+++ b/lib_standalone/ESP8266React.h
@@ -63,6 +63,7 @@ class DummySettings {
     String jwtSecret      = "ems-esp";
     String ssid           = "ems-esp";
     String password       = "ems-esp";
+    String bssid          = "";
     String localIP        = "";
     String gatewayIP      = "";
     String subnetMask     = "";
diff --git a/lib_standalone/Preferences.h b/lib_standalone/Preferences.h
index eb365246e..914c9b769 100644
--- a/lib_standalone/Preferences.h
+++ b/lib_standalone/Preferences.h
@@ -45,6 +45,20 @@ class Preferences {
         return NAN;
     }
 
+    size_t putString(const char * key, const char * value) {
+        return 0;
+    }
+    size_t putString(const char * key, String value) {
+        return 0;
+    }
+
+    size_t getString(const char * key, char * value, size_t maxLen) {
+        return 0;
+    }
+    String getString(const char * key, String defaultValue = String()) {
+        return "";
+    }
+
     // unused
 
     // void           end();
@@ -59,8 +73,7 @@ class Preferences {
     // size_t         putULong64(const char * key, uint64_t value);
     // size_t         putFloat(const char * key, float_t value);
     // size_t         putBool(const char * key, bool value);
-    // size_t         putString(const char * key, const char * value);
-    // size_t         putString(const char * key, String value);
+
     // size_t         putBytes(const char * key, const void * value, size_t len);
     // bool           isKey(const char * key);
     // PreferenceType getType(const char * key);
@@ -75,8 +88,6 @@ class Preferences {
     // uint64_t       getULong64(const char * key, uint64_t defaultValue = 0);
     // float_t        getFloat(const char * key, float_t defaultValue = NAN);
     // bool           getBool(const char * key, bool defaultValue = false);
-    // size_t         getString(const char * key, char * value, size_t maxLen);
-    // String         getString(const char * key, String defaultValue = String());
     // size_t         getBytesLength(const char * key);
     // size_t         getBytes(const char * key, void * buf, size_t maxLen);
     // size_t         freeEntries();