diff --git a/os/hal/ports/AVR/serial_lld.c b/os/hal/ports/AVR/serial_lld.c
index 688e132c1..953870952 100644
--- a/os/hal/ports/AVR/serial_lld.c
+++ b/os/hal/ports/AVR/serial_lld.c
@@ -117,7 +117,7 @@ static void set_error(uint8_t sra, SerialDriver *sdp) {
 }
 
 #if AVR_SERIAL_USE_USART0 || defined(__DOXYGEN__)
-static void notify1(GenericQueue *qp) {
+static void notify1(io_queue_t *qp) {
 
   (void)qp;
   UCSR0B |= (1 << UDRIE0);
@@ -166,7 +166,7 @@ static void usart0_deinit(void) {
 #endif
 
 #if AVR_SERIAL_USE_USART1 || defined(__DOXYGEN__)
-static void notify2(GenericQueue *qp) {
+static void notify2(io_queue_t *qp) {
 
   (void)qp;
   UCSR1B |= (1 << UDRIE1);