diff --git a/Multiprotocol/ASSAN_nrf24l01.ino b/Multiprotocol/ASSAN_nrf24l01.ino
index 1a53ade..dccbfd4 100644
--- a/Multiprotocol/ASSAN_nrf24l01.ino
+++ b/Multiprotocol/ASSAN_nrf24l01.ino
@@ -158,7 +158,7 @@ static void __attribute__((unused)) ASSAN_initialize_txid()
 	do
 	{
 	#if defined STM32_board
-	randomSeed((uint32_t)analogReadP(B0) << 10 | analogRead(PB1));
+	randomSeed((uint32_t)analogRead(PB0) << 10 | analogRead(PB1));
 	#else
 		randomSeed((uint32_t)analogRead(A6) << 10 | analogRead(A7));
 	#endif