diff --git a/Multiprotocol/AFHDS2A_a7105.ino b/Multiprotocol/AFHDS2A_a7105.ino
index 39fc80b..4211814 100644
--- a/Multiprotocol/AFHDS2A_a7105.ino
+++ b/Multiprotocol/AFHDS2A_a7105.ino
@@ -204,7 +204,11 @@ static void AFHDS2A_build_packet(uint8_t type)
 }
 
 #define AFHDS2A_WAIT_WRITE 0x80
-#define AFHDS2A_DELAY 700
+#ifdef STM32_BOARD
+	#define AFHDS2A_DELAY 0
+#else
+	#define AFHDS2A_DELAY 700
+#endif
 uint16_t ReadAFHDS2A()
 {
 	static uint8_t packet_type = AFHDS2A_PACKET_STICKS;