diff --git a/asminc/rs232.inc b/asminc/rs232.inc
index fa0089ac7..708c48bc9 100644
--- a/asminc/rs232.inc
+++ b/asminc/rs232.inc
@@ -16,6 +16,4 @@ RS_ERR_BAUD_TOO_FAST   	       	= $02   ; Cannot handle baud rate
 RS_ERR_BAUD_NOT_AVAIL  	       	= $03   ; Baud rate not available
 RS_ERR_NO_DATA 	       	       	= $04   ; Nothing to read
 RS_ERR_OVERFLOW        	       	= $05   ; No room in send buffer
-
-
-
+RS_ERR_INIT_FAILED     	       	= $06   ; Initialization of RS232 routines failed