diff --git a/core/MyGatewayTransport.cpp b/core/MyGatewayTransport.cpp
index beb16d2..f4e98f4 100644
--- a/core/MyGatewayTransport.cpp
+++ b/core/MyGatewayTransport.cpp
@@ -20,7 +20,11 @@
 #include "MyGatewayTransport.h"
 
 extern bool transportSendRoute(MyMessage &message);
+
+// global variables
 extern MyMessage _msg;
+extern MyMessage _msgTmp;
+extern NodeConfig _nc;
 
 
 inline void gatewayTransportProcess() {
@@ -41,7 +45,7 @@ inline void gatewayTransportProcess() {
 			if (mGetCommand(_msg) == C_INTERNAL) {
 				if (_msg.type == I_VERSION) {
 					// Request for version. Create the response
-					gatewayTransportSend(buildGw(_msg, I_VERSION).set(MYSENSORS_LIBRARY_VERSION));
+					gatewayTransportSend(buildGw(_msgTmp, I_VERSION).set(MYSENSORS_LIBRARY_VERSION));
 				#ifdef MY_INCLUSION_MODE_FEATURE
 				} else if (_msg.type == I_INCLUSION_MODE) {
 					// Request to change inclusion mode
diff --git a/core/MyGatewayTransportEthernet.cpp b/core/MyGatewayTransportEthernet.cpp
index 6c930e7..cef41e7 100644
--- a/core/MyGatewayTransportEthernet.cpp
+++ b/core/MyGatewayTransportEthernet.cpp
@@ -19,6 +19,10 @@
 
 #include "MyGatewayTransport.h"
 
+ // global variables
+extern MyMessage _msgTmp;
+
+
 #if defined(MY_CONTROLLER_IP_ADDRESS)
 	IPAddress _ethernetControllerIP(MY_CONTROLLER_IP_ADDRESS);
 #endif
@@ -32,8 +36,6 @@ MyMessage _ethernetMsg;
 
 #define ARRAY_SIZE(x)  (sizeof(x)/sizeof(x[0]))
 
-// gatewayTransportSend(buildGw(_msg, I_GATEWAY_READY).set("Gateway startup complete."));
-
 typedef struct
 {
   char string[MY_GATEWAY_MAX_RECEIVE_LENGTH];
@@ -113,7 +115,7 @@ bool gatewayTransportInit() {
 			while (WiFi.status() != WL_CONNECTED)
 			{
 				delay(500);
-				MY_SERIALDEVICE.print(".");
+				MY_SERIALDEVICE.print(F("."));
 				yield();
 			}
 			MY_SERIALDEVICE.print(F("IP: "));
@@ -126,7 +128,7 @@ bool gatewayTransportInit() {
 		#else
 			// Get IP address from DHCP
 			if (!Ethernet.begin(_ethernetGatewayMAC)) {
-				MY_SERIALDEVICE.print("DHCP FAILURE...");
+				MY_SERIALDEVICE.print(F("DHCP FAILURE..."));
 				_w5100_spi_en(false);
 				return false;
 			}
@@ -300,7 +302,7 @@ bool gatewayTransportAvailable()
 						clients[i] = _ethernetServer.available();
 						inputString[i].idx = 0;
 						debug(PSTR("Client %d connected\n"), i);
-						gatewayTransportSend(buildGw(_msg, I_GATEWAY_READY).set("Gateway startup complete."));
+						gatewayTransportSend(buildGw(_msgTmp, I_GATEWAY_READY).set("Gateway startup complete."));
 						// Send presentation of locally attached sensors (and node if applicable)
 						presentNode();
 					}
@@ -333,7 +335,7 @@ bool gatewayTransportAvailable()
 					client = newclient;
 					debug(PSTR("Eth: connect\n"));
 					_w5100_spi_en(false);
-					gatewayTransportSend(buildGw(_msg, I_GATEWAY_READY).set("Gateway startup complete."));
+					gatewayTransportSend(buildGw(_msgTmp, I_GATEWAY_READY).set("Gateway startup complete."));
 					_w5100_spi_en(true);
 					presentNode();
 				}
diff --git a/core/MyGatewayTransportSerial.cpp b/core/MyGatewayTransportSerial.cpp
index f7c35c8..bbad4b3 100644
--- a/core/MyGatewayTransportSerial.cpp
+++ b/core/MyGatewayTransportSerial.cpp
@@ -24,6 +24,8 @@
 #include "MyMessage.h"
 #include "MyProtocol.h"
 
+ // global variables
+extern MyMessage _msgTmp;
 
 char _serialInputString[MY_GATEWAY_MAX_RECEIVE_LENGTH];    // A buffer for incoming commands from serial interface
 int _serialInputPos;
@@ -38,7 +40,7 @@ bool gatewayTransportSend(MyMessage &message) {
 }
 
 bool gatewayTransportInit() {
-	gatewayTransportSend(buildGw(_msg, I_GATEWAY_READY).set("Gateway startup complete."));
+	gatewayTransportSend(buildGw(_msgTmp, I_GATEWAY_READY).set("Gateway startup complete."));
 	// Send presentation of locally attached sensors (and node if applicable)
 	presentNode();
 
diff --git a/core/MyInclusionMode.cpp b/core/MyInclusionMode.cpp
index e55612f..ea2198c 100644
--- a/core/MyInclusionMode.cpp
+++ b/core/MyInclusionMode.cpp
@@ -19,6 +19,9 @@
 
 #include "MyInclusionMode.h"
 
+ // global variables
+extern MyMessage _msgTmp;
+
 unsigned long _inclusionStartTime;
 bool _inclusionMode;
 
@@ -37,7 +40,7 @@ void inclusionModeSet(bool newMode) {
   if (newMode != _inclusionMode) {
     _inclusionMode = newMode;
     // Send back mode change to controller
-    gatewayTransportSend(buildGw(_msg, I_INCLUSION_MODE).set((uint8_t)(_inclusionMode?1:0)));
+    gatewayTransportSend(buildGw(_msgTmp, I_INCLUSION_MODE).set((uint8_t)(_inclusionMode?1:0)));
     if (_inclusionMode) {
     	_inclusionStartTime = hwMillis();
     }