diff --git a/Multiprotocol/DSM_cyrf6936.ino b/Multiprotocol/DSM_cyrf6936.ino
index f3e2a14..fc151c1 100644
--- a/Multiprotocol/DSM_cyrf6936.ino
+++ b/Multiprotocol/DSM_cyrf6936.ino
@@ -201,7 +201,7 @@ static void __attribute__((unused)) DSM_build_data_packet(uint8_t upper)
 				packet[i*2+5]=DSM_SerialRX_val[i+1];
 			}
 			DSM_SerialRX=false;
-			#if DSM_DEBUG_FWD_PGM
+			#ifdef DSM_DEBUG_FWD_PGM
 				debug("FWD=");
 				for(uint8_t i=4; i<16;i++)
 					debug(" %02X",packet[i]);
@@ -388,7 +388,7 @@ uint16_t ReadDsm()
 				if(len>TELEMETRY_BUFFER_SIZE-2)
 					len=TELEMETRY_BUFFER_SIZE-2;
 				CYRF_ReadDataPacketLen(packet_in+1, len);
-				#if DSM_DEBUG_FWD_PGM
+				#ifdef DSM_DEBUG_FWD_PGM
 					//debug(" %02X", packet_in[1]);
 					if(packet_in[1]==9)
 					{
diff --git a/Multiprotocol/Multiprotocol.ino b/Multiprotocol/Multiprotocol.ino
index 8f6ab06..00ad6ef 100644
--- a/Multiprotocol/Multiprotocol.ino
+++ b/Multiprotocol/Multiprotocol.ino
@@ -371,34 +371,36 @@ void setup()
 		init_HWTimer();								//0.5us
 
 		//Read module flash size
-		unsigned short *flashSize = (unsigned short *) (0x1FFFF7E0);// Address register 
-		debugln("Module Flash size: %dKB",(int)(*flashSize & 0xffff));
-		if((int)(*flashSize & 0xffff) < 128)  // Not supported by this project
-			while (true) { //SOS
-				for(uint8_t i=0; i<3;i++)
-				{
-					LED_on;
-					delay(100);
+		#ifndef DISABLE_FLASH_SIZE_CHECK
+			unsigned short *flashSize = (unsigned short *) (0x1FFFF7E0);// Address register 
+			debugln("Module Flash size: %dKB",(int)(*flashSize & 0xffff));
+			if((int)(*flashSize & 0xffff) < 128)  // Not supported by this project
+				while (true) { //SOS
+					for(uint8_t i=0; i<3;i++)
+					{
+						LED_on;
+						delay(100);
+						LED_off;
+						delay(100);
+					}
+					for(uint8_t i=0; i<3;i++)
+					{
+						LED_on;
+						delay(500);
+						LED_off;
+						delay(100);
+					}
+					for(uint8_t i=0; i<3;i++)
+					{
+						LED_on;
+						delay(100);
+						LED_off;
+						delay(100);
+					}
 					LED_off;
-					delay(100);
+					delay(1000);
 				}
-				for(uint8_t i=0; i<3;i++)
-				{
-					LED_on;
-					delay(500);
-					LED_off;
-					delay(100);
-			  	}
-				for(uint8_t i=0; i<3;i++)
-				{
-					LED_on;
-					delay(100);
-					LED_off;
-					delay(100);
-				}
-				LED_off;
-				delay(1000);
-			}
+		#endif
 	#else
 		//ATMEGA328p
 		// all inputs