diff --git a/Include/error.h b/Include/error.h
--- a/Include/error.h
+++ b/Include/error.h
@@ -6,7 +6,8 @@
 // If adding errors, remember to define a message for each in error.c
 enum error_number
 {
-	ERR_RS485_PARSE = 0,
+	ERR_GPS_OFF = 0,
+	ERR_GPS_CHECKSUM,
 };
 
 
@@ -17,3 +18,5 @@ uint8_t error_occurred(void);
 uint8_t error_count(void);
 
 #endif
+
+// vim:softtabstop=4 shiftwidth=4 expandtab