diff --git a/slsDetectorSoftware/moenchDetectorServer/firmware_funcs.c b/slsDetectorSoftware/moenchDetectorServer/firmware_funcs.c
index a91707514..996d81165 100755
--- a/slsDetectorSoftware/moenchDetectorServer/firmware_funcs.c
+++ b/slsDetectorSoftware/moenchDetectorServer/firmware_funcs.c
@@ -257,15 +257,20 @@ int setPhaseShiftOnce(){
 
 
 int cleanFifo(){
-	u_int32_t addr, reg, val;
+	u_int32_t addr, reg, val, adc_sync;
 	printf("Cleaning FIFO\n");
 	addr=ADC_SYNC_REG;
 
+	if(withGotthard)
+		adc_sync = GOTTHARD_ADCSYNC_VAL;
+	else
+		adc_sync = ADCSYNC_VAL;
+
 
 	reg = bus_r(addr) &	CLEAN_FIFO_MASK;
 
 	//only for start up
-	if(!reg) reg = ADCSYNC_VAL;
+	if(!reg) reg = adc_sync;
 
 	// 88 3 02111
 	if (ROI_flag==0) {
diff --git a/slsDetectorSoftware/moenchDetectorServer/moenchDetectorServer b/slsDetectorSoftware/moenchDetectorServer/moenchDetectorServer
index 41c14d3cf..9b50e1022 100755
Binary files a/slsDetectorSoftware/moenchDetectorServer/moenchDetectorServer and b/slsDetectorSoftware/moenchDetectorServer/moenchDetectorServer differ
diff --git a/slsDetectorSoftware/moenchDetectorServer/server_defs.h b/slsDetectorSoftware/moenchDetectorServer/server_defs.h
index f826afc8a..76f9a29c6 100755
--- a/slsDetectorSoftware/moenchDetectorServer/server_defs.h
+++ b/slsDetectorSoftware/moenchDetectorServer/server_defs.h
@@ -40,7 +40,7 @@
 #define ALLMOD 0xffff
 #define ALLFIFO 0xffff
 
-
+#define GOTTHARD_ADCSYNC_VAL		0x32214
 #define ADCSYNC_VAL   				0x02111
 #define TOKEN_RESTART_DELAY			0x88000000
 #define TOKEN_RESTART_DELAY_ROI     0x1b000000