diff --git a/flight/OpenPilot/System/inc/pios_config_posix.h b/flight/OpenPilot/System/inc/pios_config_posix.h
index 4b779cc49..e8701be90 100644
--- a/flight/OpenPilot/System/inc/pios_config_posix.h
+++ b/flight/OpenPilot/System/inc/pios_config_posix.h
@@ -36,6 +36,7 @@
 #define PIOS_INCLUDE_SDCARD
 #define PIOS_INCLUDE_FREERTOS
 #define PIOS_INCLUDE_COM
+#define PIOS_INCLUDE_GPS
 #define PIOS_INCLUDE_IRQ
 #define PIOS_INCLUDE_TELEMETRY_RF
 #define PIOS_INCLUDE_UDP
diff --git a/flight/OpenPilot/System/pios_board_posix.c b/flight/OpenPilot/System/pios_board_posix.c
index 2480d0730..573291025 100644
--- a/flight/OpenPilot/System/pios_board_posix.c
+++ b/flight/OpenPilot/System/pios_board_posix.c
@@ -66,6 +66,7 @@ const struct pios_udp_cfg pios_udp_aux_cfg = {
 
 #define PIOS_COM_TELEM_RF_RX_BUF_LEN 192
 #define PIOS_COM_TELEM_RF_TX_BUF_LEN 192
+#define PIOS_COM_GPS_RX_BUF_LEN 192
 
 /*
  * Board specific number of devices.
@@ -154,14 +155,16 @@ void PIOS_Board_Init(void) {
 #if defined(PIOS_INCLUDE_GPS)
 	{
 		uint32_t pios_udp_gps_id;
-		if (PIOS_USART_Init(&pios_udp_gps_id, &pios_udp_gps_cfg)) {
+		if (PIOS_UDP_Init(&pios_udp_gps_id, &pios_udp_gps_cfg)) {
 			PIOS_Assert(0);
 		}
 		uint8_t * rx_buffer = (uint8_t *) pvPortMalloc(PIOS_COM_GPS_RX_BUF_LEN);
+		uint8_t * tx_buffer = (uint8_t *) pvPortMalloc(PIOS_COM_GPS_RX_BUF_LEN);
 		PIOS_Assert(rx_buffer);
+		PIOS_Assert(tx_buffer);
 		if (PIOS_COM_Init(&pios_com_gps_id, &pios_udp_com_driver, pios_udp_gps_id,
 				  rx_buffer, PIOS_COM_GPS_RX_BUF_LEN,
-				  NULL, 0)) {
+				  rx_buffer, PIOS_COM_GPS_RX_BUF_LEN)) {
 			PIOS_Assert(0);
 		}
 	}