diff --git a/flight/OpenPilot/System/inc/pios_config.h b/flight/OpenPilot/System/inc/pios_config.h
index 4d561382e..4e6657cef 100644
--- a/flight/OpenPilot/System/inc/pios_config.h
+++ b/flight/OpenPilot/System/inc/pios_config.h
@@ -60,6 +60,7 @@
 //#define PIOS_INCLUDE_HCSR04
 #define PIOS_INCLUDE_OPAHRS
 #define PIOS_INCLUDE_COM
+#define PIOS_INCLUDE_GPS
 #define PIOS_INCLUDE_SDCARD
 #define PIOS_INCLUDE_SETTINGS
 #define PIOS_INCLUDE_FREERTOS
diff --git a/flight/OpenPilot/System/pios_board.c b/flight/OpenPilot/System/pios_board.c
index fbc4419a1..f4ac5c367 100644
--- a/flight/OpenPilot/System/pios_board.c
+++ b/flight/OpenPilot/System/pios_board.c
@@ -525,6 +525,7 @@ static const struct pios_spektrum_cfg pios_spektrum_cfg = {
 #define PIOS_COM_TELEM_RF_TX_BUF_LEN 192
 
 #define PIOS_COM_GPS_RX_BUF_LEN 96
+#define PIOS_COM_GPS_TX_BUF_LEN 96
 
 #define PIOS_COM_TELEM_USB_RX_BUF_LEN 192
 #define PIOS_COM_TELEM_USB_TX_BUF_LEN 192
@@ -1074,10 +1075,12 @@ void PIOS_Board_Init(void) {
 			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_TX_BUF_LEN);
 		PIOS_Assert(rx_buffer);
+		PIOS_Assert(tx_buffer);
 		if (PIOS_COM_Init(&pios_com_gps_id, &pios_usart_com_driver, pios_usart_gps_id,
 				  rx_buffer, PIOS_COM_GPS_RX_BUF_LEN,
-				  NULL, 0)) {
+				  tx_buffer, PIOS_COM_GPS_TX_BUF_LEN)) {
 			PIOS_Assert(0);
 		}
 	}