diff --git a/README.md b/README.md
index 73b17b7a..9cf1f058 100644
--- a/README.md
+++ b/README.md
@@ -147,3 +147,4 @@ See squeezlite command line, but keys options are
 	- LINKALL (mandatory)
 	- NO_FAAD unless you want to us faad, which currently overloads the CPU
 	- TREMOR_ONLY (mandatory)
+
diff --git a/components/cmd_system/cmd_system.c b/components/cmd_system/cmd_system.c
index b73e845a..6ccb04c5 100644
--- a/components/cmd_system/cmd_system.c
+++ b/components/cmd_system/cmd_system.c
@@ -102,6 +102,9 @@ esp_err_t guided_boot(esp_partition_subtype_t partition_subtype)
 #if RECOVERY_APPLICATION
 	if(partition_subtype ==ESP_PARTITION_SUBTYPE_APP_FACTORY){
 		ESP_LOGW(TAG,"RECOVERY application is already active");
+		if(!wait_for_commit()){
+			ESP_LOGW(TAG,"Unable to commit configuration. ");
+		}
 		ESP_LOGW(TAG, "Restarting after tx complete");
 		uart_wait_tx_done(UART_NUM_1, 500 / portTICK_RATE_MS);
 		esp_restart();
@@ -110,6 +113,9 @@ esp_err_t guided_boot(esp_partition_subtype_t partition_subtype)
 #else
 	if(partition_subtype !=ESP_PARTITION_SUBTYPE_APP_FACTORY){
 		ESP_LOGW(TAG,"SQUEEZELITE application is already active");
+		if(!wait_for_commit()){
+			ESP_LOGW(TAG,"Unable to commit configuration. ");
+		}
 		ESP_LOGW(TAG, "Restarting after tx complete");
 		uart_wait_tx_done(UART_NUM_1, 500 / portTICK_RATE_MS);
 		esp_restart();
diff --git a/components/squeezelite-ota/squeezelite-ota.c b/components/squeezelite-ota/squeezelite-ota.c
index 4f9dcbd7..af5f150f 100644
--- a/components/squeezelite-ota/squeezelite-ota.c
+++ b/components/squeezelite-ota/squeezelite-ota.c
@@ -284,7 +284,7 @@ static bool process_again(int status_code)
 }
 static esp_err_t _http_handle_response_code(esp_http_client_handle_t http_client, int status_code)
 {
-    esp_err_t err;
+    esp_err_t err=ESP_OK;
     if (status_code == HttpStatus_MovedPermanently || status_code == HttpStatus_Found) {
     	ESP_LOGW(TAG, "Handling HTTP redirection. ");
         err = esp_http_client_set_redirection(http_client);
diff --git a/components/squeezelite/decode_external.c b/components/squeezelite/decode_external.c
index 13240138..211b775e 100644
--- a/components/squeezelite/decode_external.c
+++ b/components/squeezelite/decode_external.c
@@ -41,15 +41,16 @@ extern log_level loglevel;
 bool enable_bt_sink = false;
 bool enable_airplay = false;
 
-#define RAOP_OUTPUT_SIZE (RAOP_SAMPLE_RATE * 2 * 2 * 2 * 1.2)
+#define RAOP_OUTPUT_SIZE 	(RAOP_SAMPLE_RATE * 2 * 2 * 2 * 1.2)
+#define SYNC_NB				5
 
 static raop_event_t	raop_state;
 static bool raop_expect_stop = false;
 static struct {
 	bool enabled, start;
-	s32_t error;
-	u32_t start_time;
-	u32_t playtime, len;
+	s32_t error[SYNC_NB];
+	u32_t idx, len;
+	u32_t start_time, playtime;
 } raop_sync;
 
 /****************************************************************************************
@@ -185,7 +186,7 @@ void raop_sink_cmd_handler(raop_event_t event, void *param)
 	switch (event) {
 		case RAOP_TIMING: {
 			u32_t ms, now = gettime_ms();
-			s32_t error;
+			s32_t sync_nb, error = 0;
 			
 			if (!raop_sync.enabled || output.state < OUTPUT_RUNNING || output.frames_played_dmp < output.device_frames) break;
 			
@@ -193,31 +194,39 @@ void raop_sink_cmd_handler(raop_event_t event, void *param)
 			if (raop_sync.start) {
 				// how many ms have we really played
 				ms = now - output.updated + ((u64_t) (output.frames_played_dmp - output.device_frames) * 1000) / RAOP_SAMPLE_RATE;
-				error = ms - (now - raop_sync.start_time); 
-				LOG_DEBUG("backend played %u, desired %u, (delta:%d)", ms, now - raop_sync.start_time, error);
-				if (abs(error) < 10 && abs(raop_sync.error) < 10) raop_sync.start = false;
+				raop_sync.error[raop_sync.idx] = ms - (now - raop_sync.start_time); 
+				sync_nb = 2;
+				LOG_INFO("backend played %u, desired %u, (delta:%d)", ms, now - raop_sync.start_time, raop_sync.error[raop_sync.idx]);
 			} else {	
 				// in how many ms will the most recent block play 
 				ms = ((u64_t) ((_buf_used(outputbuf) - raop_sync.len) / BYTES_PER_FRAME + output.device_frames + output.frames_in_process) * 1000) / RAOP_SAMPLE_RATE - (now - output.updated);
-				error = (raop_sync.playtime - now) - ms;
-				LOG_INFO("head local:%u, remote:%u (delta:%d)", ms, raop_sync.playtime - now, error);
+				raop_sync.error[raop_sync.idx] = (raop_sync.playtime - now) - ms;
+				sync_nb = SYNC_NB;
+				LOG_INFO("head local:%u, remote:%u (delta:%d)", ms, raop_sync.playtime - now, raop_sync.error[raop_sync.idx]);
 				LOG_DEBUG("obuf:%u, sync_len:%u, devframes:%u, inproc:%u", _buf_used(outputbuf), raop_sync.len, output.device_frames, output.frames_in_process);
 			}	
 			
-			// TODO: better sync logic
-			if (error < -10 && raop_sync.error < -10) {
-				output.skip_frames = (abs(error + raop_sync.error) / 2 * RAOP_SAMPLE_RATE) / 1000;
+			// calculate the average error
+			for (int i = 0; i < sync_nb; i++) error += raop_sync.error[i];
+			error /= sync_nb;
+			raop_sync.idx = (raop_sync.idx + 1) % sync_nb;
+			
+			// need at least nb_sync measures done to exit quick mode
+			if (raop_sync.start && !raop_sync.idx && abs(error) < 10) raop_sync.start = false;
+			
+			// correct if needed
+			if (error < -10) {
+				output.skip_frames = (abs(error) * RAOP_SAMPLE_RATE) / 1000;
 				output.state = OUTPUT_SKIP_FRAMES;					
-				raop_sync.error = 0;
+				memset(raop_sync.error, 0, sizeof(raop_sync.error));
 				LOG_INFO("skipping %u frames", output.skip_frames);
-			} else if (error > 10 && raop_sync.error > 10) {
-				output.pause_frames = (abs(error + raop_sync.error) / 2 * RAOP_SAMPLE_RATE) / 1000;
+			} else if (error > 10) {
+				output.pause_frames = (abs(error) * RAOP_SAMPLE_RATE) / 1000;
 				output.state = OUTPUT_PAUSE_FRAMES;
-				raop_sync.error = 0;
+				memset(raop_sync.error, 0, sizeof(raop_sync.error));
 				LOG_INFO("pausing for %u frames", output.pause_frames);
 			}
 				
-			raop_sync.error = error;
 			break;
 		}
 		case RAOP_SETUP:
@@ -228,7 +237,8 @@ void raop_sink_cmd_handler(raop_event_t event, void *param)
 		case RAOP_STREAM:
 			LOG_INFO("Stream", NULL);
 			raop_state = event;
-			raop_sync.error = 0;
+			memset(raop_sync.error, 0, sizeof(raop_sync.error));
+			raop_sync.idx = 0;
 			raop_sync.start = true;		
 			raop_sync.enabled = !strcasestr(output.device, "BT");
 			output.external = DECODE_AIRPLAY;
diff --git a/components/squeezelite/output_i2s.c b/components/squeezelite/output_i2s.c
index 719c0d46..047b9122 100644
--- a/components/squeezelite/output_i2s.c
+++ b/components/squeezelite/output_i2s.c
@@ -452,7 +452,7 @@ static void *output_thread_i2s() {
 	while (running) {
 			
 		TIME_MEASUREMENT_START(timer_start);
-		
+#ifdef TAS57xx
 		// handle jack insertion as a polling function (to avoid to have to do de-bouncing)
 		if (gpio_get_level(JACK_GPIO) != jack_status) {
 			jack_status = gpio_get_level(JACK_GPIO);
@@ -461,7 +461,7 @@ static void *output_thread_i2s() {
 				LOG_INFO("Changing jack status %d", jack_status);
 			}	
 		}
-		
+#endif
 		LOCK;
 		
 		// manage led display
@@ -644,20 +644,22 @@ void dac_cmd(dac_cmd_e cmd, ...) {
 /****************************************************************************************
  * Analogue mute
  */
+#ifdef TAS57xx
 static void set_analogue(bool active) {
-#ifdef TAS57xx	
+
 	dac_cmd(DAC_STANDBY);
 	// need to wait a bit for TAS to execute standby before sending backend-down command
 	usleep(50*1000);
 	dac_cmd(active ? DAC_ANALOG_UP : DAC_ANALOG_DOWN);
 	dac_cmd(DAC_ACTIVE);	 
-#endif	
 }
-
+#endif
 /****************************************************************************************
  * TAS57 detection
  */
+#ifdef TAS57xx
 static int tas57_detect(void) {
+
 	u8_t data, addr[] = {0x90, 0x98};
 	int ret;
 	
@@ -681,9 +683,10 @@ static int tas57_detect(void) {
 			return addr[i];
 		}	
 	}	
-	
+
 	return 0;
-}	
+}
+#endif
 
 /****************************************************************************************
  * SPDIF support
diff --git a/components/wifi-manager/code.js b/components/wifi-manager/code.js
index 7036e470..d14c2914 100644
--- a/components/wifi-manager/code.js
+++ b/components/wifi-manager/code.js
@@ -343,7 +343,7 @@ $(document).ready(function(){
     });
 
     $("#generate-command").on("click", function() {
-        var commandLine = commandHeader + '-n ' + $("#player").val();
+        var commandLine = commandHeader + '-n "' + $("#player").val() + '"';
 
         if (output == 'bt') {
             commandLine += ' -o "BT -n \'' + $("#btsink").val() + '\'" -R -Z 192000';
diff --git a/main/console.c b/main/console.c
index e5c4ad41..6ccd2e0a 100644
--- a/main/console.c
+++ b/main/console.c
@@ -57,7 +57,7 @@ void process_autoexec(){
 
 	char * str_flag = config_alloc_get(NVS_TYPE_STR, "autoexec");
 	if(!bypass_wifi_manager){
-		ESP_LOGW(TAG, "Procesing autoexec commands while wifi_manager active.  Wifi related commands will be ignored.");
+		ESP_LOGW(TAG, "Processing autoexec commands while wifi_manager active.  Wifi related commands will be ignored.");
 	}
 #if RECOVERY_APPLICATION
 	ESP_LOGD(TAG, "Processing autoexec commands in recovery mode.  Squeezelite commands will be ignored.");