diff --git a/src/app/CFGParameterValue.cpp b/src/app/CFGParameterValue.cpp
index 706a0a3..366424a 100644
--- a/src/app/CFGParameterValue.cpp
+++ b/src/app/CFGParameterValue.cpp
@@ -1,11 +1,11 @@
 #include "CFGParameterValue.h"
 
-CFGParameterValue::CFGParameterValue():DictionaryInterface(),_parameter(NULL), _value(NULL), _quotedParameter(false), _quotedValue(false)
+CFGParameterValue::CFGParameterValue() : DictionaryInterface()
 {
 
 }
 
-CFGParameterValue::CFGParameterValue(const char *parameter, const char *value, boolean quotedParameter, boolean quotedValue):_quotedParameter(quotedParameter), _quotedValue(quotedValue)
+CFGParameterValue::CFGParameterValue(const char *parameter, const char *value, boolean quotedParameter, boolean quotedValue) : DictionaryInterface(), _quotedParameter(quotedParameter), _quotedValue(quotedValue)
 {
     _parameter = (char *) malloc((strlen(parameter) * sizeof(char)) + 1); //+1 for the string terminating character
     _value = (char *) malloc((strlen(value) * sizeof(char)) + 1); //+1 for the string terminating character
@@ -14,7 +14,7 @@ CFGParameterValue::CFGParameterValue(const char *parameter, const char *value, b
     strcpy(_value, value);
 }
 
-CFGParameterValue::CFGParameterValue(const char *parameter, const char *value):CFGParameterValue()
+CFGParameterValue::CFGParameterValue(const char *parameter, const char *value) : CFGParameterValue()
 {
     _parameter = (char *) malloc((strlen(parameter) * sizeof(char)) + 1); //+1 for the string terminating character
     _value = (char *) malloc((strlen(value) * sizeof(char)) + 1); //+1 for the string terminating character
@@ -23,7 +23,7 @@ CFGParameterValue::CFGParameterValue(const char *parameter, const char *value):C
     strcpy(_value, value);
 }
 
-CFGParameterValue::CFGParameterValue(const CFGParameterValue &Object)
+CFGParameterValue::CFGParameterValue(const CFGParameterValue &Object) : DictionaryInterface()
 {
     _parameter = (char *) malloc((strlen(Object._parameter) * sizeof(char)) + 1); //+1 for the string terminating character
     _value = (char *) malloc((strlen(Object._value) * sizeof(char)) + 1); //+1 for the string terminating character
diff --git a/src/app/CFGParameterValue.h b/src/app/CFGParameterValue.h
index 3085676..740526d 100644
--- a/src/app/CFGParameterValue.h
+++ b/src/app/CFGParameterValue.h
@@ -29,18 +29,18 @@ public:
     const char *getParameter() const{return _parameter == NULL ? "" : _parameter;}
     bool isQuotedParameter()const{return _quotedParameter;}
     bool isQuotedValue()const{return _quotedValue;}
-	  virtual const char *toString()
+	virtual const char *toString()
     {
         return _value;
     }
     void setValue(const char *value, bool isQuoted);
 protected:
 private:
-    char *_parameter;
-    char *_value;
+    char *_parameter = NULL;
+    char *_value = NULL;
 
-    bool _quotedParameter;
-    bool _quotedValue;
+    bool _quotedParameter = false;
+    bool _quotedValue = false;
 
 };
 
diff --git a/src/app/HttpClient.cpp b/src/app/HttpClient.cpp
index a62c177..31bf450 100644
--- a/src/app/HttpClient.cpp
+++ b/src/app/HttpClient.cpp
@@ -7,11 +7,9 @@
  * End of HttpClientHelper
  */
 
-HttpClient::HttpClient(const char *address, uint16_t port, uint32_t timeout) : WiFiClient(), _connectionStatus(NO_ATTEMPT), _resource(NULL), _pAddress(address), _port(0), _keepAlive(false), _maxRetries(-1), _retries(0), _isIp(false), _httpCode(HTTP_CODE::UNDEFINED_CODE), _httpCodeParsed(false)
+HttpClient::HttpClient(const char *address, uint16_t port, uint32_t timeout) : WiFiClient(), _pAddress(address), _port(port)
 {
-  _port = port;
   setTimeout(timeout);
-  
   connectByHostOrIp();
 }
 
@@ -24,7 +22,7 @@ HttpClient::HttpClient(const char *address, const char *resource, uint16_t port,
   }
 }
 
-HttpClient::HttpClient(const HttpClient &object)
+HttpClient::HttpClient(const HttpClient &object) : WiFiClient()
 {
   if(object._resource != NULL)
   {
diff --git a/src/app/HttpClient.h b/src/app/HttpClient.h
index f4a7fa7..949bd64 100644
--- a/src/app/HttpClient.h
+++ b/src/app/HttpClient.h
@@ -49,16 +49,16 @@ class HttpClient : public WiFiClient, public HttpConstants
     void sendHeader(HttpMIMEType contentType = HttpMIMEType::UNKNOWN_MIME, uint64_t contentLength = 0, Dictionary<DictionaryHelper::StringEntity> *headerData = NULL, HttpVersion httpVersion = HttpVersion::HTTP_1_1);
     uint64_t computeBodyLength(Dictionary<DictionaryHelper::StringEntity> *data);
     
-    ConnectionStatus _connectionStatus;
-    char *_resource;
+    ConnectionStatus _connectionStatus = NO_ATTEMPT;
+    char *_resource = NULL;
     const char *_pAddress;
     uint16_t _port;
-    boolean _keepAlive;
-    int16_t _maxRetries;
-    uint16_t _retries;
-    boolean _isIp;
-    HTTP_CODE _httpCode;
-    boolean _httpCodeParsed;
+    boolean _keepAlive = false;
+    int16_t _maxRetries = -1;
+    uint16_t _retries = 0;
+    boolean _isIp = false;
+    HTTP_CODE _httpCode = HTTP_CODE::UNDEFINED_CODE;
+    boolean _httpCodeParsed = false;
 };
 
 #endif //HTTPCLIENT_H
diff --git a/src/app/ScreenManager.cpp b/src/app/ScreenManager.cpp
index 0ed0f9a..3bb16c3 100644
--- a/src/app/ScreenManager.cpp
+++ b/src/app/ScreenManager.cpp
@@ -3,10 +3,10 @@
 ScreenManager::ScreenManager(Adafruit_SSD1306 &display, SDCardManager *sdCardManager) : _displayRef(display), _error(OK)
 , _displayColorInverted(false), _displayDimmed(false), _enabled(true), _refreshRateHz(1), _refreshInterval(1000), _timeRef(0),_forceRefresh(false)
 , _currentView(NO_CURRENT_VIEW), _tail(NULL)
-, _viewNotFound{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL}
-, _viewFuncUndefined{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL}
-, _currentViewUndefined{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL}
-, _viewFunctionFailedToExecute{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL}
+, _viewNotFound{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL, NULL}
+, _viewFuncUndefined{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL, NULL}
+, _currentViewUndefined{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL, NULL}
+, _viewFunctionFailedToExecute{&(displayError), (ErrorInfo *)malloc(sizeof(ErrorInfo)), RESERVED_VIEW_UID, NULL, NULL}
 ,_sdCardManager(sdCardManager)
 {  
   _viewLinkedList = (ViewLinkedList) createEmptyList();
@@ -72,7 +72,7 @@ void ScreenManager::setDefault()
 
 boolean ScreenManager::addView(boolean (*viewLogicFunction)(Adafruit_SSD1306&, void*), void *pData, const unsigned char UID)
 {
-  ViewLink viewLink ={viewLogicFunction, pData, UID, NULL, NULL};
+  ViewLink viewLink = {viewLogicFunction, pData, UID, NULL, NULL};
   return addNewLinkAtTheEnd(&_viewLinkedList, viewLink);
 }