diff --git a/src/app/BoardConfig.h b/src/app/BoardConfig.h
index 1f5b13d..73e0741 100644
--- a/src/app/BoardConfig.h
+++ b/src/app/BoardConfig.h
@@ -22,7 +22,7 @@ class BoardConfig
 		const Pin SPI_mosi = GPIO_13_MOSI,
 		const Pin SPI_miso = GPIO_12_MISO,
 		const Pin SPI_clk = GPIO_14_CLK,
-		const uint32_t spiSpeed = 0//SPI_FULL_SPEED
+		const uint32_t spiSpeed = SPI_FULL_SPEED
 		);
 		
 		Pin getI2C_sda() const;
diff --git a/src/app/HttpClient.cpp b/src/app/HttpClient.cpp
index 0f074d3..a62c177 100644
--- a/src/app/HttpClient.cpp
+++ b/src/app/HttpClient.cpp
@@ -192,7 +192,7 @@ HttpClient::HTTP_CODE HttpClient::isReplyAvailable(uint16_t timeout)
       if(_httpCode == HTTP_CODE::UNDEFINED_CODE)
       {
         uint16_t safeSize = bytesCount > 99 ? 99 : bytesCount;
-        uint8_t bytesRed = buffer[peekBytes((uint8_t*)buffer,safeSize)] = '\0';
+        buffer[peekBytes((uint8_t*)buffer,safeSize)] = '\0';
         //We look for the end of the first line ie : HTTP/1.1 200 OK\r\n
         char *pNewLine = strstr(buffer, "\r\n");
         //If we found the new line, we can retrieve the code
@@ -367,7 +367,7 @@ void HttpClient::sendHeader(HttpMIMEType contentType, uint64_t contentLength, Di
     
   if(contentLength > 0)
   {
-    printf("Content-Length: %u\r\n", contentLength);
+    printf("Content-Length: %llu\r\n", contentLength);
     printf("Content-Type: %s\r\n", httpMIMETypeToString(contentType, mime));
   }
 
diff --git a/src/app/ScreenManager.cpp b/src/app/ScreenManager.cpp
index de5e43d..0ed0f9a 100644
--- a/src/app/ScreenManager.cpp
+++ b/src/app/ScreenManager.cpp
@@ -237,13 +237,15 @@ void ScreenManager::run()
         }
         else
           _error = OK;
-       break;
-       case VIEW_NOT_FOUND:
+        break;
+      case VIEW_NOT_FOUND:
           (*_viewNotFound.viewLogicFunction)(_displayRef, _viewNotFound.pData);
         break;
-       case VIEW_FUNC_UNDEFINED:
+      case VIEW_FUNC_UNDEFINED:
           (*_viewFuncUndefined.viewLogicFunction)(_displayRef, _viewFuncUndefined.pData);
         break;
+      default:
+        break;
     }
     
     _displayRef.display();
@@ -408,7 +410,7 @@ void ScreenManager::clearViews()
   {
     ViewLink *toDelete = cursor;
     cursor = cursor->next;
-    free(cursor);
+    free(toDelete);
   }
   //Do not forget to mark the list as empty
   _viewLinkedList = NULL;
diff --git a/src/app/TCPClient.cpp b/src/app/TCPClient.cpp
index c893a19..32811d6 100644
--- a/src/app/TCPClient.cpp
+++ b/src/app/TCPClient.cpp
@@ -2,13 +2,8 @@
 
 //#define DEBUG_CL
 
-TCPClient::TCPClient(WiFiClient client, uint8_t id, uint16_t dataBufferSize) : _client(client), 
-_clientState(NEW),
-_error(OK),
-_data(NULL), 
-_dataSize(0),
+TCPClient::TCPClient(WiFiClient client, uint8_t id, uint16_t dataBufferSize) : _client(client),
 _dataBufferSize(dataBufferSize+1),
-_newDataAvailable(false),
 _id(id)
 {
   #ifdef DEBUG_CL
@@ -22,10 +17,9 @@ _id(id)
 		_error = MALLOC_ERR;
 }
 
-TCPClient::TCPClient(const TCPClient &Object) : _client(Object._client),
-_clientState(Object._clientState),
+TCPClient::TCPClient(const TCPClient &Object) : _clientState(Object._clientState),
 _error(Object._error),
-_data(NULL), 
+_client(Object._client),
 _dataSize(Object._dataSize),
 _dataBufferSize(Object._dataBufferSize),
 _newDataAvailable(Object._newDataAvailable),
diff --git a/src/app/TCPClient.h b/src/app/TCPClient.h
index ee9c143..b22ba48 100644
--- a/src/app/TCPClient.h
+++ b/src/app/TCPClient.h
@@ -17,14 +17,14 @@ class TCPClient
     bool operator==(TCPClient& Object);
     void closeConnection();
   protected:
-    enum ClientState {NEW, HANDLED, DISCARDED} _clientState;
-    enum Error {OK = 0, MALLOC_ERR = 1} _error;
+    enum ClientState {NEW, HANDLED, DISCARDED} _clientState = NEW;
+    enum Error {OK = 0, MALLOC_ERR = 1} _error = OK;
   
     WiFiClient _client;
-    uint8_t *_data; //The actual data
-    uint16_t _dataSize; //The logical size of the data contained
+    uint8_t *_data = NULL; //The actual data
+    uint16_t _dataSize = 0; //The logical size of the data contained
     uint16_t _dataBufferSize; //The physical size of the buffer
-    boolean _newDataAvailable;
+    boolean _newDataAvailable = false;
     uint8_t _id;
 
     void freeDataBuffer(uint16_t size);