diff --git a/src/app.cpp b/src/app.cpp
index 940c9ca7..20e47e7b 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -18,27 +18,29 @@ void app::setup(uint32_t timeout) {
     while (!Serial)
         yield();
 
+    addListener(EVERY_SEC, std::bind(&app::uptimeTick, this));
+    addListener(EVERY_12H, std::bind(&app::ntpUpdateTick, this));
+
     resetSystem();
     mSettings.setup();
     mSettings.getPtr(mConfig);
     DPRINTLN(DBG_INFO, F("Settings valid: ") + String((mSettings.getValid()) ? F("true") : F("false")));
 
     mWifi = new ahoywifi(mConfig);
+    mWifi->setup(timeout, mSettings.getValid());
 
     mSys = new HmSystemType();
     mSys->enableDebug();
     mSys->setup(mConfig->nrf.amplifierPower, mConfig->nrf.pinIrq, mConfig->nrf.pinCe, mConfig->nrf.pinCs);
     mSys->addInverters(&mConfig->inst);
 
-    mWifi->setup(timeout, mSettings.getValid());
-
     mPayload.setup(mSys);
     mPayload.enableSerialDebug(mConfig->serial.debug);
-#ifndef AP_ONLY
+#if !defined(AP_ONLY)
     if (mConfig->mqtt.broker[0] > 0) {
         mMqtt.setup(&mConfig->mqtt, mConfig->sys.deviceName, mVersion, mSys, &mUtcTimestamp, &mSunrise, &mSunset);
         mPayload.addListener(std::bind(&PubMqttType::payloadEventListener, &mMqtt, std::placeholders::_1));
-        addListener(EVERY_SEC, std::bind(&PubMqttType::tickerSecond, &mMqtt, std::placeholders::_1));
+        addListener(EVERY_SEC, std::bind(&PubMqttType::tickerSecond, &mMqtt));
     }
 #endif
     setupLed();
@@ -46,8 +48,9 @@ void app::setup(uint32_t timeout) {
     mWeb = new web(this, mConfig, &mStat, mVersion);
     mWeb->setup();
     mWeb->setProtection(strlen(mConfig->sys.adminPwd) != 0);
+    addListener(EVERY_SEC, std::bind(&web::tickSecond, mWeb));
 
-    //addListener(EVERY_MIN, std::bind(&PubSerialType::tickerMinute, &mPubSerial, std::placeholders::_1));
+    //addListener(EVERY_MIN, std::bind(&PubSerialType::tickerMinute, &mPubSerial));
 }
 
 //-----------------------------------------------------------------------------
@@ -56,34 +59,8 @@ void app::loop(void) {
 
     ah::Scheduler::loop();
 
-    bool apActive = mWifi->loop();
     mWeb->loop();
 
-    if (millis() - mPrevMillis >= 1000) {
-        mPrevMillis += 1000;
-        mUptimeSecs++;
-        if (0 != mUtcTimestamp)
-            mUtcTimestamp++;
-
-        mWeb->tickSecond();
-
-        if (mShouldReboot) {
-            DPRINTLN(DBG_INFO, F("Rebooting..."));
-            ESP.restart();
-        }
-    }
-
-    if (ah::checkTicker(&mNtpRefreshTicker, mNtpRefreshInterval)) {
-        if (!apActive)
-            mUpdateNtp = true;
-    }
-
-    if (mUpdateNtp) {
-        mUpdateNtp = false;
-        mUtcTimestamp = mWifi->getNtpTime();
-        DPRINTLN(DBG_INFO, F("[NTP]: ") + getDateTimeStr(mUtcTimestamp) + F(" UTC"));
-    }
-
     if (mFlagSendDiscoveryConfig) {
         mFlagSendDiscoveryConfig = false;
         mMqtt.sendMqttDiscoveryConfig(mConfig->mqtt.topic);
@@ -230,13 +207,9 @@ void app::resetSystem(void) {
 
     mShouldReboot = false;
     mUptimeSecs = 0;
-    mPrevMillis = 0;
     mUpdateNtp = false;
     mFlagSendDiscoveryConfig = false;
 
-    mNtpRefreshTicker = 0;
-    mNtpRefreshInterval = NTP_REFRESH_INTERVAL;  // [ms]
-
 #ifdef AP_ONLY
     mUtcTimestamp = 1;
 #else
diff --git a/src/app.h b/src/app.h
index f8894f87..e614d89a 100644
--- a/src/app.h
+++ b/src/app.h
@@ -115,9 +115,7 @@ class app : public ah::Scheduler {
             if(0 == newTime)
                 mUpdateNtp = true;
             else
-            {
                 mUtcTimestamp = newTime;
-            }
         }
 
         inline uint32_t getSunrise(void) {
@@ -147,6 +145,28 @@ class app : public ah::Scheduler {
         void setupLed(void);
         void updateLed(void);
 
+        void uptimeTick(void) {
+            mUptimeSecs++;
+            if (0 != mUtcTimestamp)
+                mUtcTimestamp++;
+
+            if (mShouldReboot) {
+                DPRINTLN(DBG_INFO, F("Rebooting..."));
+                ESP.restart();
+            }
+
+            if (mUpdateNtp) {
+                mUpdateNtp = false;
+                mUtcTimestamp = mWifi->getNtpTime();
+                DPRINTLN(DBG_INFO, F("[NTP]: ") + getDateTimeStr(mUtcTimestamp) + F(" UTC"));
+            }
+        }
+
+        void ntpUpdateTick(void) {
+            if (!mWifi->getApActive())
+                mUpdateNtp = true;
+        }
+
         void stats(void) {
             DPRINTLN(DBG_VERBOSE, F("main.h:stats"));
             #ifdef ESP8266
@@ -168,10 +188,7 @@ class app : public ah::Scheduler {
         }
 
         uint32_t mUptimeSecs;
-        uint32_t mPrevMillis;
         uint8_t mHeapStatCnt;
-        uint32_t mNtpRefreshTicker;
-        uint32_t mNtpRefreshInterval;
 
         uint32_t mUtcTimestamp;
         bool mUpdateNtp;
diff --git a/src/defines.h b/src/defines.h
index 46ecfe7f..1c2e5d23 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -13,7 +13,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       5
-#define VERSION_PATCH       38
+#define VERSION_PATCH       39
 
 //-------------------------------------
 typedef struct {
diff --git a/src/publisher/pubMqtt.h b/src/publisher/pubMqtt.h
index e3f211fb..f3ff4eb1 100644
--- a/src/publisher/pubMqtt.h
+++ b/src/publisher/pubMqtt.h
@@ -34,7 +34,7 @@ class PubMqtt {
         ~PubMqtt() { }
 
         void setup(cfgMqtt_t *cfg_mqtt, const char *devName, const char *version, HMSYSTEM *sys, uint32_t *utcTs, uint32_t *sunrise, uint32_t *sunset) {
-            DPRINTLN(DBG_VERBOSE, F("mqtt.h:setup"));
+            DPRINTLN(DBG_VERBOSE, F("PubMqtt.h:setup"));
             mAddressSet = true;
 
             mCfg_mqtt       = cfg_mqtt;
@@ -59,8 +59,7 @@ class PubMqtt {
                 mClient->loop();
         }
 
-        void tickerSecond(int i) {
-            DPRINTLN(DBG_INFO, "tickerSecond");
+        void tickerSecond() {
             if(mAddressSet) {
                 if(!mClient->connected())
                     reconnect();
diff --git a/src/publisher/pubSerial.h b/src/publisher/pubSerial.h
index 066f2a06..ef4fb88f 100644
--- a/src/publisher/pubSerial.h
+++ b/src/publisher/pubSerial.h
@@ -21,7 +21,7 @@ class PubSerial {
             mUtcTimestamp = utcTs;
         }
 
-        void tickerMinute(int i) {
+        void tickerMinute() {
             DPRINTLN(DBG_INFO, "tickerMinute");
             if(++mTick >= mCfg->serial.interval) {
                 mTick = 0;
diff --git a/src/utils/handler.h b/src/utils/handler.h
index 10dcfef5..51d64c0d 100644
--- a/src/utils/handler.h
+++ b/src/utils/handler.h
@@ -20,11 +20,11 @@ class Handler {
             mList.push_back(f);
         }
 
-        virtual void notify(void) {
+        /*virtual void notify(void) {
             for(typename std::list<TYPE>::iterator it = mList.begin(); it != mList.end(); ++it) {
-               (*it);
+               (*it)();
             }
-        }
+        }*/
 
     protected:
         std::list<TYPE> mList;
diff --git a/src/utils/scheduler.h b/src/utils/scheduler.h
index 2553f18f..ff732b58 100644
--- a/src/utils/scheduler.h
+++ b/src/utils/scheduler.h
@@ -12,7 +12,7 @@
 #include <list>
 
 enum {EVERY_SEC = 1, EVERY_MIN, EVERY_HR, EVERY_12H, EVERY_DAY};
-typedef std::function<void(int)> SchedulerCb;
+typedef std::function<void()> SchedulerCb;
 
 namespace ah {
 class Scheduler {
@@ -61,7 +61,7 @@ class Scheduler {
 
         virtual void notify(std::list<SchedulerCb> *lType) {
             for(std::list<SchedulerCb>::iterator it = lType->begin(); it != lType->end(); ++it) {
-               (*it)(1);
+               (*it)();
             }
         }
 
diff --git a/src/web/web.cpp b/src/web/web.cpp
index d762751b..45be992e 100644
--- a/src/web/web.cpp
+++ b/src/web/web.cpp
@@ -104,7 +104,7 @@ void web::loop(void) {
 }
 
 //-----------------------------------------------------------------------------
-void web::tickSecond(void) {
+void web::tickSecond() {
     if(0 != mLogoutTimeout) {
         mLogoutTimeout -= 1;
         if(0 == mLogoutTimeout)
diff --git a/src/web/web.h b/src/web/web.h
index 582b5421..2c74faf5 100644
--- a/src/web/web.h
+++ b/src/web/web.h
@@ -29,7 +29,7 @@ class web {
 
         void setup(void);
         void loop(void);
-        void tickSecond(void);
+        void tickSecond();
 
         void setProtection(bool protect);