diff --git a/GpsTracker/Config.cpp b/GpsTracker/Config.cpp
index 0b79a58..2328035 100644
--- a/GpsTracker/Config.cpp
+++ b/GpsTracker/Config.cpp
@@ -30,12 +30,12 @@ namespace config {
 				//};
 				//value.network = c;
 #endif
-				/*strcpy(value.version, VERSION);
+				/*strcpy_P(value.version, PSTR(VERSION));
 				value.alertBatteryLevel1 = CONFIG_DEFAULT_BATTERY_ALERT_LEVEL1;
 				value.alertBatteryLevel2 = CONFIG_DEFAULT_BATTERY_ALERT_LEVEL2;
 				value.alertBatteryLevelClear = CONFIG_DEFAULT_BATTERY_ALERT_CLEAR;
 				value.activeAlerts = CONFIG_DEFAULT_ACTIVE_ALERTS;
-				strcpy(value.contactPhone, CONFIG_DEFAULT_CONTACT_PHONE);*/
+				strcpy_P(config.contactPhone, PSTR(CONFIG_DEFAULT_CONTACT_PHONE));*/
 			}
 
 			void write() {
@@ -61,25 +61,22 @@ namespace config {
 		void reset() {
 			VERBOSE("reset");
 
-			config_t config = {
-				CONFIG_SEED,
-				VERSION,
-				0xFFFF,
-				0xFFFF,
+			config_t config = {};
+			config.seed = CONFIG_SEED;
+			strcpy_P(config.version, PSTR(VERSION));
+			config.firstEntry = config.lastEntry = 0xFFFF;
+			config.alertBatteryLevel1 = CONFIG_DEFAULT_BATTERY_ALERT_LEVEL1;
+			config.alertBatteryLevel2 = CONFIG_DEFAULT_BATTERY_ALERT_LEVEL2;
+			config.alertBatteryLevelClear = CONFIG_DEFAULT_BATTERY_ALERT_CLEAR;
+			config.activeAlerts = CONFIG_DEFAULT_ACTIVE_ALERTS;
+			strcpy_P(config.contactPhone, PSTR(CONFIG_DEFAULT_CONTACT_PHONE));
+
 #if BACKUP_ENABLE_NETWORK
-				{
-					POSITIONS_CONFIG_NET_DEFAULT_SAVE_THRESHOLD,
-					0xFFFF,
-					POSITIONS_CONFIG_NET_DEFAULT_APN,
-					POSITIONS_CONFIG_NET_DEFAULT_URL,
-				},
-				CONFIG_DEFAULT_BATTERY_ALERT_LEVEL1,
-				CONFIG_DEFAULT_BATTERY_ALERT_LEVEL2,
-				CONFIG_DEFAULT_BATTERY_ALERT_CLEAR,
-				CONFIG_DEFAULT_ACTIVE_ALERTS,
-				CONFIG_DEFAULT_CONTACT_PHONE
+			config.network.saveThreshold = POSITIONS_CONFIG_NET_DEFAULT_SAVE_THRESHOLD;
+			config.network.lastSavedEntry = 0xFFFF;
+			strcpy_P(config.network.apn, PSTR(POSITIONS_CONFIG_NET_DEFAULT_APN));
+			strcpy_P(config.network.url, PSTR(POSITIONS_CONFIG_NET_DEFAULT_URL));
 #endif
-			};
 
 			value = config;
 			save();
diff --git a/GpsTracker/Config.h b/GpsTracker/Config.h
index a5fc792..5171454 100644
--- a/GpsTracker/Config.h
+++ b/GpsTracker/Config.h
@@ -66,6 +66,8 @@ struct config_t {
 	uint16_t lastEntry;				//sizeof = 2
 #if BACKUP_ENABLE_NETWORK
 	networkConfig_t network;		//sizeof = 73
+#else
+	char reserved[73];
 #endif
 	uint8_t alertBatteryLevel1;		//sizeof = 1
 	uint8_t alertBatteryLevel2;		//sizeof = 1
diff --git a/GpsTracker/NetworkPositionsBackup.cpp b/GpsTracker/NetworkPositionsBackup.cpp
index 5ec6c1e..127cac1 100644
--- a/GpsTracker/NetworkPositionsBackup.cpp
+++ b/GpsTracker/NetworkPositionsBackup.cpp
@@ -26,16 +26,15 @@ namespace positions {
 
 			bool NetworkPositionsBackup::appendPosition(PositionEntry &entry) {
 				char buffer[BUFFER_SIZE];
-				snprintf_P(buffer, BUFFER_SIZE, PSTR("%d,%d,%d,%d,%d,%d,%d,"),
+				snprintf_P(buffer, BUFFER_SIZE, PSTR("%d,%d,%d,%d,%d,%d,%d,%s"),
 					debug::freeRam(),
 					hardware::sim808::device.getSignalQuality().attenuation,
 					entry.metadata.batteryLevel,
 					entry.metadata.batteryVoltage,
 					static_cast<uint16_t>(entry.metadata.temperature * 100),
 					static_cast<uint8_t>(entry.metadata.status),
-					entry.metadata.timeToFix);
-
-				strcat(buffer, entry.position);
+					entry.metadata.timeToFix,
+					entry.position);
 
 				NOTICE_FORMAT("appendPosition", "Sending : %s", buffer);
 				uint16_t responseCode = hardware::sim808::device.httpPost(