diff --git a/SYS/KERNEL.S.TERM.txt b/SYS/KERNEL.S.TERM.txt
index 4e036898..37c6cb00 100644
--- a/SYS/KERNEL.S.TERM.txt
+++ b/SYS/KERNEL.S.TERM.txt
@@ -66,7 +66,8 @@ DRV.TERM.STATUS	jsr DRV.TERM.GetIOCTLBufCntDCB
 
 				ldy #S.DCB.TTY.OUTTAIL
 				lda (ZPDCBPtr),y
-				iny						
+				iny
+				sec
 				sbc (ZPDCBPtr),y		OUTHEAD
 				
 				and #$F