diff --git a/src/gps.c b/src/gps.c
--- a/src/gps.c
+++ b/src/gps.c
@@ -21,6 +21,13 @@ static uint8_t _gps_verify_checksum(uint
 // Poll for fix data from the GPS and update the internal structure
 void gps_update_data(void)
 {
+	// Error!
+	if(!gpson)
+	{
+		led_blink(5);
+		return;
+	}
+
     // Construct the request to the GPS
     uint8_t request[8] = {0xB5, 0x62, 0x01, 0x07, 0x00, 0x00, 0xFF, 0xFF};